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MCQOPTIONS
This section includes 2154 Mcqs, each offering curated multiple-choice questions to sharpen your 7th Class knowledge and support exam preparation. Choose a topic below to get started.
| 1801. |
What is 25% of a number whose\[~250%\] is 1000. |
| A. | \[12\frac{1}{2}%\] |
| B. | 100 |
| C. | 25 |
| D. | 35 |
| Answer» B. 100 | |
| 1802. |
35% population of a town are men and 40% are women. If the number of children is 20,000, what is the number of women? |
| A. | 3200 |
| B. | 30,050 |
| C. | 32000 |
| D. | 31500 |
| Answer» D. 31500 | |
| 1803. |
40% population of Haryana are men and 35% are women. This excludes children; if the number of children is 20000, what is the number of women? |
| A. | 2800 |
| B. | 27000 |
| C. | 28000 |
| D. | 32000 |
| Answer» D. 32000 | |
| 1804. |
Lf \[P+\frac{5}{4}(4-2P)=-4,\]find P. |
| A. | \[-6\] |
| B. | \[6\] |
| C. | \[18\] |
| D. | \[-18\] |
| Answer» C. \[18\] | |
| 1805. |
In a group of 48 students, 28 like cricket, 12 like hockey and 18 like neither of the games. How many students like both games? |
| A. | 18 |
| B. | 10 |
| C. | 8 |
| D. | 12 |
| E. | None of these |
| Answer» C. 8 | |
| 1806. |
Four pairs of terms are given as: (i) \[16a\] and \[16b\] (ii) \[12ab\] and \[13ab\] (iii) \[-8xy\]and \[10yx\] (iv) \[8ab\] and \[8ac\] Which two given pairs are pairs of like terms? |
| A. | (i) and (iv) |
| B. | (i) and (iii) |
| C. | (ii) and (iii) |
| D. | (ii) and (iv) |
| Answer» D. (ii) and (iv) | |
| 1807. |
\[{{P}_{1}}\] and \[{{P}_{2}}\] are polynomials and each is the additive inverse of the other, what does it mean? |
| A. | \[{{P}_{1}}={{P}_{2}}\] |
| B. | \[{{P}_{1}}+{{P}_{2}}\] is a zero polynomial |
| C. | \[{{P}_{1}}-{{P}_{2}}\] is a zero polynomial. |
| D. | \[{{P}_{1}}-{{P}_{2}}={{P}_{2}}-{{P}_{1}}\] |
| Answer» C. \[{{P}_{1}}-{{P}_{2}}\] is a zero polynomial. | |
| 1808. |
In a two digit number, the units digit is n and tens digit is\[(n-1)\]. What is the value of the number? (Where n \[\underline{ |
| A. | \[kn-1\] |
| B. | \[2n+3\] |
| C. | \[3+n\] |
| D. | \[11n-10~\] |
| Answer» E. | |
| 1809. |
A: Two triangles are said to be congruent if two sides and an angle of one triangle are respectively equal to the two sides and an angle of the other. R: Two triangles are congruent if two sides and the included angle of one are equal to the corresponding two sides and included angle of the other. Given A & R, which of the following statements is correct? |
| A. | A is false and R is the correct explanation of A. |
| B. | A is true and R is the correct explanation of A. |
| C. | A is true and R is false. |
| D. | A is false and R is true. |
| Answer» B. A is true and R is the correct explanation of A. | |
| 1810. |
In how much time would the simple interest or a certain sum be 0.125 times the Principle a 10% per annum? |
| A. | \[1\frac{1}{4}\text{Years}\] |
| B. | |
| C. | |
| D. | |
| Answer» B. | |
| 1811. |
\[\Delta ABC\] is isosceles, \[AB=AC\] and \[AD\bot BC,\] Which of the following is correct? |
| A. | \[\Delta ADC\cong \Delta ADB\] |
| B. | \[\Delta ADB\cancel{\cong }\Delta ADB\] |
| C. | \[\Delta ADB\cong \Delta ABC\] |
| D. | \[\Delta ABC\cong \Delta ADC\] |
| Answer» B. \[\Delta ADB\cancel{\cong }\Delta ADB\] | |
| 1812. |
A number A exceeds B by 25%. By what percentage is A more than B? |
| A. | 20% |
| B. | 25% |
| C. | 30% |
| D. | 15% |
| Answer» C. 30% | |
| 1813. |
Which of the following criterion does not exist? |
| A. | A.S.A. criterion |
| B. | R.H.S. criterion |
| C. | A.A.A. criterion |
| D. | S.S.S. criterion |
| Answer» D. S.S.S. criterion | |
| 1814. |
The product of \[1\times (x-y)\,\,(x+y)\,({{x}^{2}}+{{y}^{2}})\] is |
| A. | \[{{x}^{2}}-{{y}^{2}}\] |
| B. | \[{{x}^{4}}+{{y}^{4}}\] |
| C. | \[{{x}^{4}}-{{y}^{4}}\] |
| D. | \[{{x}^{2}}+{{y}^{2}}\] |
| Answer» D. \[{{x}^{2}}+{{y}^{2}}\] | |
| 1815. |
If \[m=\frac{ab}{a-b},\]then \[b\]equals....... |
| A. | \[\frac{m\left( a-b \right)}{a}\] |
| B. | \[\frac{ab-ma}{m}\] |
| C. | \[\frac{1}{1+1}\] |
| D. | \[\frac{ma}{m+a}\] |
| Answer» E. | |
| 1816. |
In how many years does a certain sum amount to three times the principal at the rate of \[16\frac{2}{3}%\]? |
| A. | 12 years |
| B. | 8 years |
| C. | 4 years |
| D. | 16 years |
| Answer» B. 8 years | |
| 1817. |
The area of rectangle whose length and breadth are \[4{{x}^{2}}{{y}^{3}}\] and \[2x{{y}^{2}}\] respectively is |
| A. | \[8{{x}^{2}}{{y}^{5}}\] |
| B. | \[8{{x}^{2}}{{y}^{2}}\] |
| C. | \[8{{x}^{3}}{{y}^{5}}\] |
| D. | \[6{{x}^{3}}{{y}^{5}}\] |
| Answer» D. \[6{{x}^{3}}{{y}^{5}}\] | |
| 1818. |
Solve: 3x + 2 - 5 (x - 1) = 3(x - 1) |
| A. | x = 2 |
| B. | x = l |
| C. | x - 1 |
| D. | x - 2 |
| E. | None of these |
| Answer» B. x = l | |
| 1819. |
Which expression represents 5 less than thrice the square of a number? |
| A. | \[3{{n}^{2}}-5\] |
| B. | \[-3{{n}^{2}}+5\] |
| C. | \[-3{{n}^{2}}-5\] |
| D. | \[3{{n}^{2}}+5\] |
| E. | None of these |
| Answer» B. \[-3{{n}^{2}}+5\] | |
| 1820. |
After simplification. Find the value of the following algebraic expression at m = -3, n = 2 and r = -1. \[\mathbf{3}\left( {{\mathbf{m}}^{\mathbf{2}}}\mathbf{+}{{\mathbf{n}}^{\mathbf{2}}}\mathbf{-3 mnr+}{{\mathbf{r}}^{\mathbf{2}}} \right)\mathbf{-[5}\left( \mathbf{2}{{\mathbf{m}}^{\mathbf{2}}}\mathbf{+}{{\mathbf{n}}^{\mathbf{2}}}\mathbf{-2mn} \right)\mathbf{-\{-}\] \[{{\mathbf{r}}^{\mathbf{3}}}+\mathbf{3}\left( \mathbf{m}-\mathbf{2} \right)\text{ }+\text{ }\mathbf{8m}{{\mathbf{n}}^{\mathbf{2}}}\}]\] |
| A. | 638 |
| B. | -732 |
| C. | -638 |
| D. | 732 |
| E. | None of these |
| Answer» C. -638 | |
| 1821. |
In a two digit number, the units digit is x and tens digit is \[(x+3)\]. What is the sum of the digits in the number? |
| A. | \[11x+3\] |
| B. | \[2x+3\] |
| C. | \[3+x\] |
| D. | \[11x+30\] |
| Answer» C. \[3+x\] | |
| 1822. |
Simplify the following expression. \[x(y-z)+y(z-x)+z(x-y)\] |
| A. | 0 |
| B. | \[2y(z-x)\] |
| C. | \[2x(z-y)\] |
| D. | \[2z(x-y)\] |
| Answer» B. \[2y(z-x)\] | |
| 1823. |
For what value of 'm' is \[9-5m=(-1)\]? |
| A. | \[-1\] |
| B. | \[-2\] |
| C. | \[2\] |
| D. | \[1\] |
| Answer» D. \[1\] | |
| 1824. |
What percentage of the figure is shaded? |
| A. | 50 % |
| B. | 60 % |
| C. | 70 % |
| D. | 65 % |
| Answer» C. 70 % | |
| 1825. |
DIRECTIONS: Read the information given below, and answer the questions that follow. If in a certain language, ENTRY is coded as 12345 and STEADY is coded as 931785, then state which the correct code is for each of the given words. SEDATE |
| A. | 918731 |
| B. | 954185 |
| C. | 814195 |
| D. | 614781 |
| Answer» B. 954185 | |
| 1826. |
The number of seats for admission is increased by 10% every year. If the number of seats in 2001 was 400, what was the number of seats in 2003? |
| A. | 824 |
| B. | 484 |
| C. | 500 |
| D. | 480 |
| Answer» C. 500 | |
| 1827. |
DIRECTIONS: Match Column-I with Column-II and select the correct answer using the codes given below the columns. A B C D |
| A. | 2 1 4 3 |
| B. | 2 1 3 4 |
| C. | 1 2 3 4 |
| D. | 1 2 4 3 |
| Answer» B. 2 1 3 4 | |
| 1828. |
If a set S has 511 proper subsets. Find its cardinal number. |
| A. | 512 |
| B. | 256 |
| C. | 10 |
| D. | 9 |
| E. | None of these |
| Answer» E. None of these | |
| 1829. |
If then number of all possible subsets of V is _________ |
| A. | 16 |
| B. | 28 |
| C. | 32 |
| D. | 64 |
| E. | None of these |
| Answer» D. 64 | |
| 1830. |
Two triangles, \[\Delta PQR\] and \[\Delta XYZ\] are of the same size and shape. What can we conclude about them? |
| A. | \[\Delta PQR\] is smaller than \[\Delta XYZ\] |
| B. | \[\Delta PQR\] is larger than \[\Delta XYZ\] |
| C. | \[\Delta PQR\]is congruent to \[\Delta XYZ\] |
| D. | \[\Delta PQR\] is not congruent to \[\Delta XYZ\] |
| Answer» D. \[\Delta PQR\] is not congruent to \[\Delta XYZ\] | |
| 1831. |
Which of the following is a pair of congruent figures? |
| A. | A regular pentagon and a regular hexagon. |
| B. | A rhombus and a square. |
| C. | Two equilateral triangles of the same length of their sides. |
| D. | A quadrilateral and a rectangle. |
| Answer» D. A quadrilateral and a rectangle. | |
| 1832. |
In the given figure, if \[AD=BC\] and \[AD||BC\]which of the following is true? |
| A. | \[AB=AD\] |
| B. | \[AB=DC\] |
| C. | \[BC=CD\] |
| D. | \[AC=AD\] |
| Answer» C. \[BC=CD\] | |
| 1833. |
A pudding is made of \[200\text{ }g\] sugar, \[~800\text{ }g\] eggs, \[600\text{ }g\] flour and \[200\text{ }g\] dry fruits. What percent of sugar is present in the whole pudding? |
| A. | \[11\frac{1}{9}%\] |
| B. | \[16\frac{2}{3}%\] |
| C. | \[6\frac{1}{4}%\] |
| D. | \[3\frac{1}{2}%\] |
| Answer» B. \[16\frac{2}{3}%\] | |
| 1834. |
What is the value of\[({{a}^{3}}-2{{a}^{2}}+4a-5)-(-{{a}^{3}}-8a+2{{a}^{2}}+5)\]? |
| A. | \[2{{a}^{3}}+7{{a}^{2}}+6a-10\] |
| B. | \[2{{a}^{3}}+7{{a}^{2}}+12a-10\] |
| C. | \[2{{a}^{3}}-4{{a}^{2}}+12a-10\] |
| D. | \[2{{a}^{3}}-4{{a}^{2}}+6a-10\] |
| Answer» D. \[2{{a}^{3}}-4{{a}^{2}}+6a-10\] | |
| 1835. |
Identify the like terms in \[21p-32-7p+20p\]. |
| A. | \[21p,-32\] and \[20p\] |
| B. | \[-32,-7p\] and \[20p\] |
| C. | \[21p,-7p\] and \[20p\] |
| D. | \[-7p,21p,\]and \[32\] |
| Answer» D. \[-7p,21p,\]and \[32\] | |
| 1836. |
Which of the following expressions is a polynomial? |
| A. | \[3{{x}^{\frac{1}{2}}}-4x+3\] |
| B. | \[4{{x}^{2}}-3\sqrt{x}+5\] |
| C. | \[3{{x}^{2}}y-2xy+5{{x}^{4}}\] |
| D. | \[2{{x}^{4}}+\frac{3}{{{x}^{2}}}-1\] |
| Answer» D. \[2{{x}^{4}}+\frac{3}{{{x}^{2}}}-1\] | |
| 1837. |
Consider the following statements. (i) \[\sqrt{2x}+6{{x}^{2}}+7\]is a polynomial of degree 2. (ii) \[4{{e}^{2}}+\frac{1}{6}e+2\sqrt{4}\]is not a polynomial. (iii) \[8{{a}^{3}}{{b}^{2}}-4{{a}^{2}}b+6ab-3\] is a polynomial of degree 5. Which of the statement(s) is incorrect? |
| A. | only (i) and (ii) |
| B. | only (i) and (iii) |
| C. | only (ii) and (iii) |
| D. | None of these |
| Answer» B. only (i) and (iii) | |
| 1838. |
lf \[A=10{{w}^{3}}+20{{w}^{2}}-55w+60,\] \[B=-\text{ }25{{w}^{2}}+15w-10\]and \[C=5{{w}^{2}}-10w+20,\] then \[A+B-C\]is equal to _____. |
| A. | \[10{{w}^{3}}+10{{w}^{2}}+30w+30\] |
| B. | \[10{{w}^{3}}+10{{w}^{2}}-30w+30\] |
| C. | \[10{{w}^{3}}-10{{w}^{2}}-30w+30\] |
| D. | None of these |
| Answer» D. None of these | |
| 1839. |
If\[a+\frac{1}{a}=6\], then the value of \[\left( a-\frac{1}{a} \right)\]is |
| A. | \[\sqrt{32}\] |
| B. | \[\sqrt{49}\] |
| C. | \[\sqrt{140}\] |
| D. | None of these |
| Answer» B. \[\sqrt{49}\] | |
| 1840. |
What do we call the algebraic terms with same literal coefficients? |
| A. | Equivalent |
| B. | Unlike terms |
| C. | Constants |
| D. | Like terms |
| Answer» E. | |
| 1841. |
The real factors of \[{{x}^{4}}+9\]are |
| A. | \[\left( {{x}^{2}}+3 \right)\left( {{x}^{2}}+3 \right)\] |
| B. | \[\left( {{x}^{2}}+3 \right)\left( {{x}^{2}}-3 \right)\] |
| C. | \[\left( {{x}^{2}}+2x+3 \right)\left( {{x}^{2}}-3x+3 \right)~\] |
| D. | Does not exist |
| Answer» E. | |
| 1842. |
In a class of 120 students. If 40 of them like 'Science' and 80 of them like 'Mathematics', Then the number of students who like both 'Mathematics' and 'Science' must be. |
| A. | equal to the number of students who like neither ?Mathematics? nor ?Science?. |
| B. | less than the number of students who like neither ?Mathematics? nor ?Science?. |
| C. | more than the number of students who like ?Mathematics? nor ?Science?. |
| D. | Zero |
| E. | None of these |
| Answer» 1 , 3. less than the number of students who like neither ?Mathematics? nor ?Science?. | |
| 1843. |
In an institute, there are 40% of the trainees enrolled for Java and 70% enrolled for SQL. If 25% of the trainees enrolled for both Java and SQL, then what % of the students did not enroll for either of the Java and SQL. |
| A. | 0.1 |
| B. | 0.05 |
| C. | 15% |
| D. | 20% |
| E. | None of these |
| Answer» D. 20% | |
| 1844. |
The third Proportional to 0.8 and 0.2 is |
| A. | 0.6 |
| B. | 0.16 |
| C. | 0.05 |
| D. | 0.4 |
| Answer» E. | |
| 1845. |
The ratio of two numbers is a : b. If one of them is x, then other is |
| A. | \[\frac{ab}{x}\] |
| B. | \[\frac{b}{ax}\] |
| C. | \[\frac{b}{a+b}x\] |
| D. | \[\frac{bx}{a}\] |
| Answer» C. \[\frac{b}{a+b}x\] | |
| 1846. |
DIRECTIONS: The questions in this segment consists of two statements, one labelled as ?Assertion A? and the other labelled as ?Reason R?. You are to examine these two statements carefully and decide if the Assertion A and Reason R are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below. Assertion (A): Cost Price of an article is Rs. 100 its selling price is Rs. 150, Profit is 33.3 % Reason (R): Profit or loss is calculated on cost price. |
| A. | If both Assertion and Reason are correct and Reason is the correct explanation of Assertion. |
| B. | If both Assertion and Reason are correct, but Reason is not the correct explanation of Assertion. |
| C. | If Assertion is correct but Reason is incorrect. |
| D. | If Assertion is incorrect but Reason is correct. |
| Answer» E. | |
| 1847. |
When a number is reduced by 4, it becomes 80% of itself. Find the number. |
| A. | \[20\] |
| B. | \[30\] |
| C. | \[40\] |
| D. | \[50\] |
| Answer» B. \[30\] | |
| 1848. |
In the given figure, if \[AD=BC\] and \[AD||BC,\]which of the following is true? |
| A. | \[AB=AD\] |
| B. | \[AB=DC\] |
| C. | \[BC=CD\] |
| D. | \[AC=AD\] |
| Answer» C. \[BC=CD\] | |
| 1849. |
From 2012-2016, the amount (in crores) spent on natural gas N and electricity E by Indian residents can be described by the following expressions, where t is the number of years since 2012. Gas spending model, \[N=2.13{{t}^{2}}-4.21t+37.40\] Electricity spending model, \[E=-0.209{{t}^{2}}+5.393t+307.735\] What is the total amount A spent on natural gas and electricity by Indian residents from 2012 to 2016? |
| A. | \[1.467{{t}^{2}}+7.423+121.721\] |
| B. | \[1.339{{t}^{2}}-8.729t+76.245\] |
| C. | \[1.01{{t}^{2}}+7.083+97.83\] |
| D. | \[1.921{{t}^{2}}+1.183t+345.135\] |
| Answer» E. | |
| 1850. |
If finger is called toe, toe is called foot, foot is called thumb, thumb is called ankle, ankle is called palm and palm is called knee, which one finger has different name? |
| A. | Thumb |
| B. | Ankle |
| C. | Knee |
| D. | Palm |
| Answer» C. Knee | |