MCQOPTIONS
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MCQOPTIONS
This section includes 200950 Mcqs, each offering curated multiple-choice questions to sharpen your General Knowledge knowledge and support exam preparation. Choose a topic below to get started.
| 801. |
A potential difference of 100 Volt is applied across a resistor of resistance 10 ohm. Find the heat energy produced in 10 sec? |
| A. | 10kJ |
| B. | 500J |
| C. | 1000J |
| D. | none of these |
| Answer» B. 500J | |
| 802. |
A electric heater is rated at 200V-400W. What is the resistance of the heater? |
| A. | 200ohm |
| B. | 100 ohm |
| C. | 400 ohm |
| D. | 50 ohm |
| Answer» C. 400 ohm | |
| 803. |
The resistivity of a substance does not depend upon? |
| A. | Length or thickness of the material |
| B. | Nature of the material |
| C. | temperature of the material |
| D. | None of these |
| Answer» D. None of these | |
| 804. |
what should be arrangement of the three resistors to get 5 ohm as equivalent resistance? |
| A. | 2,4,6 are in parallel |
| B. | 2 and 4 ohm resistor in parallel with 6 ohm in series |
| C. | 2 and 6 ohm resistor in parallel with 4 ohm in series |
| D. | 4 and 6 ohm resistor in parallel with 2 ohm in series |
| Answer» E. | |
| 805. |
How many electrons should pass through the conductor in 1 sec to constitute 2 Ampere current? Given : Charge on electron=1.6X10-19 coulombs |
| A. | 13XX1018 |
| B. | 4.5XX1018 |
| C. | 6.25X1018 |
| D. | 12.5X1018 |
| Answer» E. | |
| 806. |
What will be the equivalent resistance if they are connected in series? |
| A. | 6 ohm |
| B. | 1.2 ohm |
| C. | 12 ohm |
| D. | 2 ohm |
| Answer» D. 2 ohm | |
| 807. |
What will be the equivalent resistance if they are connected in parallel ? |
| A. | 5 ohm |
| B. | 1.2 ohm |
| C. | 12 ohm |
| D. | none of these |
| Answer» C. 12 ohm | |
| 808. |
which of the following is not correct about electrical circuit? |
| A. | Ammeter is connected with series |
| B. | Voltmeter is connected in parallel |
| C. | electric current is the flow of electrons in the metal wire |
| D. | None of these |
| Answer» E. | |
| 809. |
The discriment of the quadratic equation (x-3)(x-4)=0 |
| A. | 0 |
| B. | 1 |
| C. | -1 |
| D. | 2 |
| Answer» C. -1 | |
| 810. |
The length of a rectangle exceeds its width by 8 cm and the area of the rectangle is 240 sq. cm. Find the perimeter of the rectangle? |
| A. | 28 cm |
| B. | 36 cm |
| C. | 40 cm |
| D. | None of these |
| Answer» E. | |
| 811. |
The sum of ages of a son and his father is 36 years and the product of their ages is 180. The difference of father and son age is ? |
| A. | 30 |
| B. | 26 |
| C. | 24 |
| D. | none of these |
| Answer» D. none of these | |
| 812. |
The hyponutese of the right angle triangle is 13 cm, The difference of other two sides is 7 cm,The sum of other two sides is ? |
| A. | 18 |
| B. | 17 |
| C. | 13 |
| D. | None of these |
| Answer» C. 13 | |
| 813. |
If a and b are the roots of the equation x2 - 7x 8 = 0, what is the value of (1/a) (1/b)? |
| A. | 3/4 |
| B. | 7/8 |
| C. | 1/2 |
| D. | None of these |
| Answer» C. 1/2 | |
| 814. |
For what values of k does the quadratic equation x2 2(k-4)x 2k=0 have no equal roots? |
| A. | 2 |
| B. | 8 |
| C. | 5 |
| D. | None of thes |
| Answer» D. None of thes | |
| 815. |
which of these is the condition for imaginary roots? |
| A. | b2 -4ac u003e 0 |
| B. | b2 -4ac u003c 0 |
| C. | b2 -4ac = 0 |
| D. | None of these |
| Answer» C. b2 -4ac = 0 | |
| 816. |
which of these is not a quadratic equation? |
| A. | 2x2-6x+5=0 |
| B. | (x – 2)(x + 1) = (x – 1)(x + 3) |
| C. | (2x – 1)(x – 3) = (x + 5)(x – 1) |
| D. | None of these |
| Answer» C. (2x – 1)(x – 3) = (x + 5)(x – 1) | |
| 817. |
The quadratic equation x2-2x 6=0 has ? |
| A. | No real roots |
| B. | two distinct real root |
| C. | One root |
| D. | None of these |
| Answer» B. two distinct real root | |
| 818. |
Which is not the root of the quadratic equation x2-6x 5=0 ? |
| A. | 1 |
| B. | 5 |
| C. | 6 |
| D. | none of these |
| Answer» C. 6 | |
| 819. |
if p is the probability,which of these cannot be its value ? |
| A. | 0 |
| B. | 1 |
| C. | .9 |
| D. | -1 |
| Answer» E. | |
| 820. |
Two dice are thrown simultaneously 600 times. Each time the sum of two numbers appearing on their tops is noted and recorded as given in the following table SUMtFrequency2t143t304t425t556t727t758t709t5310t4611t2812t115If the dice are thrown once more, what is the probability of getting a sum 8 . |
| A. | .56 |
| B. | .116 |
| C. | .23 |
| D. | None of these |
| Answer» C. .23 | |
| 821. |
A dice was thrown 100 times and it have 56 times head and 44 times tail. What is the probability of getting head? |
| A. | 1 |
| B. | .44 |
| C. | .56 |
| D. | 0 |
| Answer» C. .56 | |
| 822. |
A box contains 5 red marbles, 6 white marbles and 4 green marbles. If a marble is drawn at random from the box, what is the probability that the marble is white |
| A. | 1/5 |
| B. | 2/3 |
| C. | 1 |
| D. | None of this |
| Answer» C. 1 | |
| 823. |
Diagonals AC and BD of a trapezium ABCD with AB || DC intersect each other at O, |
| A. | Area of triangle AOD=Area of triangle BOC |
| B. | Area of triangle AOD=(1/2)Area of triangle BOC |
| C. | Area of triangle AOD=(1/2)Area of triangle BOC |
| D. | None of these |
| Answer» B. Area of triangle AOD=(1/2)Area of triangle BOC | |
| 824. |
In a triangle ABC, E is the mid-point of median AD, which of the following is false? |
| A. | Area of triangle ABD=(1/2) Area of triangle ABC |
| B. | Area of triangle BED=(1/4) Area of triangle ABC |
| C. | Area of triangle ABE=(1/4) Area of triangle ABC |
| D. | none of these |
| Answer» E. | |
| 825. |
The median of the triangle ABC meets at point G,which of these is not true? |
| A. | Area of triangle AGC=Area of triangle BGC |
| B. | Area of triangle AGC=Area of triangle AGB |
| C. | Area of triangle AGC=(1/3) Area of triangle ABC |
| D. | None of these |
| Answer» E. | |
| 826. |
ABCD is a rectangles. EFGH are the mid points of the side. Area of the rectangle is 40 cm2. The figure EFGH is ? |
| A. | Parallelogram with area 30 cm2 |
| B. | Rhombus with area 20 cm2 |
| C. | square of the area 25 cm2 |
| D. | Insufficent data |
| Answer» C. square of the area 25 cm2 | |
| 827. |
ABCD is a rectangle of Area 40 cm2. X is any point on AB, What is the area of the triangle XCD? |
| A. | 10 cm2 |
| B. | 20 cm2 |
| C. | 40 cm2 |
| D. | Insufficent data |
| Answer» C. 40 cm2 | |
| 828. |
The median of the triangle divide it into? |
| A. | two triangle with equal area |
| B. | right angle triangles |
| C. | equilateral triangle |
| D. | isosceles triangle |
| Answer» B. right angle triangles | |
| 829. |
If a triangle and a parallelogram are on the same base and between same parallels,then the ratio of the area of the triangle to the area of parallelogram is ? |
| A. | 1:4 |
| B. | 2:1 |
| C. | 1:2 |
| D. | 1:1 |
| Answer» D. 1:1 | |
| 830. |
D and E are points on sides AB and AC respectively of ABC such that area (DBC) = area (EBC).Which of following is true? |
| A. | Area of triangle ABC=(1/2) Area of triangle DBC |
| B. | Triangle DBC is congruent to triangle to EBC |
| C. | DE=(1/2)BC |
| D. | DE || BC |
| Answer» E. | |
| 831. |
Statement A:Heron formula for area of triangle is valid for all the trianglesStatement B: Two congruent triangles have same area |
| A. | A is correct only |
| B. | B is correct only |
| C. | A and B both are correct |
| D. | A and B both are incorrect |
| Answer» D. A and B both are incorrect | |
| 832. |
The sides of a triangle are in the ratio 3:4:5, The perimeter is 120 cm,The area of the triangle is ? |
| A. | 1200 cm2 |
| B. | 600cm2 |
| C. | 300 cm2 |
| D. | none of these |
| Answer» C. 300 cm2 | |
| 833. |
In a rhombus, the diagonal are 9 and 16 cm long,What is the area? |
| A. | 108 cm2 |
| B. | 144 cm2 |
| C. | 36cm2 |
| D. | 72 cm2 |
| Answer» E. | |
| 834. |
ABCD is a trapezium with parallel side 5 and 13 cm each and distance between them is 12 cm. The area of the trapezium is ? |
| A. | 96 cm2 |
| B. | 108 cm2 |
| C. | 136 cm2 |
| D. | None of these |
| Answer» C. 136 cm2 | |
| 835. |
The adjacent sides of a parallelogram are 36cm and 27cm in length .If the distance between the shorter sides is 12cm, find the distance between the longer sides? |
| A. | 9cm |
| B. | 8cm |
| C. | 7cm |
| D. | 5cm |
| Answer» B. 8cm | |
| 836. |
Two sides of a triangle are 11cm and 12cm and its perimeter is 33cm.The third side is ? |
| A. | 20 |
| B. | 21 |
| C. | 22 |
| D. | 23 |
| Answer» B. 21 | |
| 837. |
The area of a parallelogram is 392cm2.If its altitude is twice the corresponding base, The height and the base is ? |
| A. | 28,14 |
| B. | 32,16 |
| C. | 26,13 |
| D. | None of these |
| Answer» B. 32,16 | |
| 838. |
If each side of the triangles is doubled,Area of the triangle will become? |
| A. | 2 times |
| B. | 4 times |
| C. | 1/2 times |
| D. | insufficient information |
| Answer» C. 1/2 times | |
| 839. |
In Heron’s formula semi perimeter is equal to ? |
| A. | (a+b+c)/3 |
| B. | (a+b+c)/2 |
| C. | (a+b+c)/4 |
| D. | (a+b+c) |
| Answer» C. (a+b+c)/4 | |
| 840. |
Statement A:Angles opposite to equal side of the triangle are equalStatement B: In a triangle ,angle opposite to longest side is the highest angle . Which of the following is true? |
| A. | A is correct only |
| B. | B is correct only |
| C. | A and B both are correct |
| D. | A and B both are incorrect |
| Answer» D. A and B both are incorrect | |
| 841. |
The angles in a triangle are in the ration 3:4:5, The greatest angle in the triangle is ? |
| A. | 90 |
| B. | 60 |
| C. | 45 |
| D. | 75 |
| Answer» E. | |
| 842. |
O is any point inside the traingle PQR, which of the following condition will be true ? |
| A. | 3(OP+OQ+OR)u003e PQ+QR+RP |
| B. | 2(OP+OQ+OR)u003e PQ+QR+RP |
| C. | OP+OQu003e OR |
| D. | Insuffucient data |
| Answer» C. OP+OQu003e OR | |
| 843. |
In a triangle ABC,which one is false? |
| A. | AB +BC u003e AC |
| B. | AC+ABu003e BC |
| C. | AB -BC u003e AC |
| D. | AC-AB u003c BC |
| Answer» D. AC-AB u003c BC | |
| 844. |
In a isosceles triangle XYZ, XY=XZ. A perpendicular is dropped from X on YZ which meets the side YZ at M. which of the following is true ? |
| A. | Perpendicular bisect the angle X |
| B. | YM=MZ |
| C. | Angle Y= Angle Z |
| D. | All the above |
| Answer» E. | |
| 845. |
which one of the following can not be the sides of a triangle? |
| A. | 3,4,5 |
| B. | 6,8,10 |
| C. | 6,8, 15 |
| D. | 5,8,12 |
| Answer» D. 5,8,12 | |
| 846. |
In a triangle XYZ, XY = XZ and angle X = 50°. Then angle Y is equal to ? |
| A. | 65 |
| B. | 50 |
| C. | 45 |
| D. | 60 |
| Answer» B. 50 | |
| 847. |
Which of the following is not a criterion for congruence of triangles? |
| A. | ASA |
| B. | SSS |
| C. | SSA |
| D. | SAS |
| Answer» D. SAS | |
| 848. |
In a triangle PQR , Angle P=50 and Angle R=60, which side is highest? |
| A. | PQ |
| B. | QR |
| C. | PR |
| D. | Insufficent information |
| Answer» D. Insufficent information | |
| 849. |
The polynomail q(x) =x4-6x3-26x2 138x-35 has Four zeroes. Two are given as 2 √3 and 2-√3. Find the other two? |
| A. | -3,7 |
| B. | 5,7 |
| C. | 3,7 |
| D. | -5,7 |
| Answer» E. | |
| 850. |
Statement A: A polynomail of n degree has atmost n zeroes. Statement B: A binomial can be of any degree. Which of these is true? |
| A. | A is correct only |
| B. | B is correct only |
| C. | A and B both are correct |
| D. | A and B both are incorrect |
| Answer» D. A and B both are incorrect | |