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MCQOPTIONS
This section includes 497 Mcqs, each offering curated multiple-choice questions to sharpen your Grade9 knowledge and support exam preparation. Choose a topic below to get started.
| 251. |
The number of times each value appears is called the value's |
| A. | range |
| B. | mode |
| C. | frequency |
| D. | standard Deviation |
| Answer» D. standard Deviation | |
| 252. |
Mean, median and mode are the part of |
| A. | measures of central tendency |
| B. | measures of dispersion |
| C. | logarithms |
| D. | proportions |
| Answer» B. measures of dispersion | |
| 253. |
Cumulative frequency polygon is also called |
| A. | ogive |
| B. | histogram |
| C. | absicca |
| D. | sigma |
| Answer» B. histogram | |
| 254. |
The median in the set 6, 4, 2, 3, 4, 5, 5, 4 would be |
| A. | 3 |
| B. | 6 |
| C. | 5 |
| D. | 4 |
| Answer» E. | |
| 255. |
In the set of ‘n’ ,the median is located at the |
| A. | (n + 1) ⁄ 2th score |
| B. | (n - 1) ⁄ 2th score |
| C. | (2n + 1) ⁄ 2th score |
| D. | (2n - 1) ⁄ 2th score |
| Answer» B. (n - 1) ⁄ 2th score | |
| 256. |
The reciprocal of the arithmetic mean of the reciprocal of the values x1, x2, x3, ....., xn is known as |
| A. | variance |
| B. | geometric mean |
| C. | harmonic mean |
| D. | arithmetic mean |
| Answer» D. arithmetic mean | |
| 257. |
2nd quartile is also known as |
| A. | mode |
| B. | harmonic mean |
| C. | arithmetic mean |
| D. | median |
| Answer» E. | |
| 258. |
If Xm is the largest value and Xo is the smallest value, then the range ‘R’ is equal to |
| A. | R = Xm - Xo |
| B. | R = Xm ⁄ Xo |
| C. | R = Xm + Xo |
| D. | none of above |
| Answer» B. R = Xm ⁄ Xo | |
| 259. |
The difference between the largest value and the smallest value is called |
| A. | mean |
| B. | mode |
| C. | range |
| D. | median |
| Answer» D. median | |
| 260. |
The table which shows the frequency of each score is called a |
| A. | polygon |
| B. | pi chart |
| C. | histogram |
| D. | frequency distribution table |
| Answer» E. | |
| 261. |
When the cumulative frequencies are plotted against the end points of their respective class intervals and joined together, the resultant graph is called |
| A. | cumulative frequency pentagon |
| B. | cumulative frequency histogram |
| C. | cumulative frequency hexagon |
| D. | cumulative frequency polygon |
| Answer» E. | |
| 262. |
In the set 2, 4, 5, 4, 6, 5, 3, 4, 2, the mode is |
| A. | 2 |
| B. | 5 |
| C. | 4 |
| D. | 3 |
| Answer» D. 3 | |
| 263. |
The square of the standard deviation is called |
| A. | harmonic mean |
| B. | variance |
| C. | mode |
| D. | 2nd quartile |
| Answer» C. mode | |
| 264. |
Value of [3(n +1) ⁄ 4]th term is the formula of |
| A. | variance |
| B. | 3rd quartile |
| C. | 2nd quartile |
| D. | geometric mean |
| Answer» C. 2nd quartile | |
| 265. |
The average of all observations in a set of data is known as |
| A. | median |
| B. | range |
| C. | mean |
| D. | mode |
| Answer» D. mode | |
| 266. |
The sum of deviations of values from their mean is always |
| A. | 1 |
| B. | 0 |
| C. | 2 |
| D. | 3 |
| Answer» C. 2 | |
| 267. |
The summary statistics which measure the middle or center of the data are called |
| A. | logarithms |
| B. | measures of central tendency |
| C. | measures of dispersion |
| D. | proportions |
| Answer» C. measures of dispersion | |
| 268. |
The range in the data 18, 25, 12, 13, 8, 9, 20 is equal to |
| A. | 11 |
| B. | 33 |
| C. | 13 |
| D. | 17 |
| Answer» E. | |
| 269. |
Frequency polygon is constructed by plotting frequencies against their |
| A. | standard deviations |
| B. | class marks |
| C. | variances |
| D. | means |
| Answer» C. variances | |
| 270. |
If all elements in a matrix are zeros, then it is called a |
| A. | column matrix |
| B. | diagonal matrix |
| C. | identical matrix |
| D. | null/zero matrix |
| Answer» E. | |
| 271. |
Vertically arranged elements in a matrix are called |
| A. | columns |
| B. | rows |
| C. | determinants |
| D. | transpose |
| Answer» B. rows | |
| 272. |
If ‘a’ is a real number, then a−1 is said to be |
| A. | inverse of a |
| B. | identity of a |
| C. | transpose of a |
| D. | determinant of a |
| Answer» B. identity of a | |
| 273. |
In a unit matrix, number of diagonal elements is/are |
| A. | 2 |
| B. | 3 |
| C. | 1 |
| D. | 0 |
| Answer» D. 0 | |
| 274. |
In matrices, the rows are denoted by |
| A. | A |
| B. | B |
| C. | R |
| D. | C |
| Answer» D. C | |
| 275. |
The decimal form of 453.5 × 10−6 |
| A. | 0.04535 |
| B. | 4535 |
| C. | 0.0004535 |
| D. | 45.35 |
| Answer» D. 45.35 | |
| 276. |
Log A - log B can be written as |
| A. | log (A - B) |
| B. | log (A ⁄ B) |
| C. | log (B ⁄ A) |
| D. | log A + log B |
| Answer» C. log (B ⁄ A) | |
| 277. |
Logba × logcb can be written as |
| A. | logba |
| B. | logcb |
| C. | logca |
| D. | logbc |
| Answer» D. logbc | |
| 278. |
Log 13.4 ⁄ 23.6 equals to |
| A. | log 13.4 + log 23.6 |
| B. | log 13.4 - log 23.6 |
| C. | log 13.4 × log 23.6 |
| D. | 1 |
| Answer» B. log 13.4 - log 23.6 | |
| 279. |
Logamn equals to |
| A. | logam + logan |
| B. | logam - logan |
| C. | n logam |
| D. | logbn × logab |
| Answer» D. logbn × logab | |
| 280. |
The scientific form of 0.425 is |
| A. | 4.25 × 10−1 |
| B. | 4.25 × 10 |
| C. | 42.5 × 10 |
| D. | 42.5 × 10² |
| Answer» B. 4.25 × 10 | |
| 281. |
Log (M × N) equals to |
| A. | log M - log N |
| B. | log N - log M |
| C. | log M + log N |
| D. | MN |
| Answer» D. MN | |
| 282. |
The set of irrational numbers is denoted by |
| A. | R |
| B. | Q |
| C. | R' |
| D. | Q' |
| Answer» E. | |
| 283. |
The set consist of positive integers, zero and negative integers is called |
| A. | set of even numbers |
| B. | set of prime numbers |
| C. | set of integers |
| D. | set of irrational numbers |
| Answer» D. set of irrational numbers | |
| 284. |
Under property of equality of real numbers, a = b and b = c then a = c and ∀ a, b, c ∈ R is called |
| A. | reflexive property |
| B. | symmetric property |
| C. | additive property |
| D. | transitive property |
| Answer» B. symmetric property | |
| 285. |
The set of natural numbers is denoted by |
| A. | A |
| B. | W |
| C. | N |
| D. | R |
| Answer» D. R | |
| 286. |
As per properties of real numbers with respect to addition, a + b = b + a and ∀ a, b ∈ R is |
| A. | additive inverse |
| B. | associative property |
| C. | commutative property |
| D. | closure property |
| Answer» D. closure property | |
| 287. |
The order of a matrix is written as |
| A. | m-by-n |
| B. | m + n |
| C. | m x n |
| D. | n-by-m |
| Answer» B. m + n | |
| 288. |
A matrix with only 1 row is called |
| A. | column matrix |
| B. | row matrix |
| C. | identical matrix |
| D. | square matrix |
| Answer» C. identical matrix | |
| 289. |
Generally the matrices are denoted by |
| A. | capital letters |
| B. | numbers |
| C. | small letters |
| D. | operational signs |
| Answer» B. numbers | |
| 290. |
A zero matrix ‘O’ of order m-by-n and A + O = O + A = A, then the matrix is said to be |
| A. | additive identity matrix |
| B. | null/zero matrix |
| C. | symmetric |
| D. | skew symmetric |
| Answer» B. null/zero matrix | |
| 291. |
The region enclosed by the bounding lines of a closed figure is called its |
| A. | area |
| B. | volume |
| C. | radius |
| D. | diameter |
| Answer» B. volume | |
| 292. |
In a scalene triangle, the angle opposite to the largest side is of measure |
| A. | greater than 30° |
| B. | greater than 270° |
| C. | greater than 90° |
| D. | greater than 60° |
| Answer» E. | |
| 293. |
If 1 side of a triangle is taken as its base, the perpendicular to that side, from the opposite vertex is called the |
| A. | altitude or height |
| B. | angle |
| C. | volume |
| D. | width |
| Answer» B. angle | |
| 294. |
If 2 sides of a triangle are unequal in length, the longer side has an angle opposite to it of |
| A. | equal measure |
| B. | greater measure |
| C. | smaller measure |
| D. | none of above |
| Answer» C. smaller measure | |
| 295. |
Any point on the bisector of an angle is equidistant from its |
| A. | arms |
| B. | end points |
| C. | midpoint |
| D. | base |
| Answer» B. end points | |
| 296. |
The sum of the lengths of any 2 sides of a triangle is greater than the length of the |
| A. | 1st side |
| B. | 2nd side |
| C. | 3rd side |
| D. | both 1st and 3rd side |
| Answer» D. both 1st and 3rd side | |
| 297. |
The area of a closed region is measured in |
| A. | dollars |
| B. | square units |
| C. | single units |
| D. | π |
| Answer» C. single units | |
| 298. |
Difference of measures of two sides of a triangle is less than the measure of the |
| A. | 3rd side |
| B. | both 2nd and 3rd side |
| C. | 1st side |
| D. | 2nd side |
| Answer» B. both 2nd and 3rd side | |
| 299. |
The union of a rectangle and its interior is said to be |
| A. | a rectangular region |
| B. | volume |
| C. | radius |
| D. | diameter |
| Answer» B. volume | |
| 300. |
The salary received after necessary deductions from the gross salary is termed as |
| A. | gross income |
| B. | taxable income |
| C. | personal income |
| D. | take home salary |
| Answer» E. | |