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If a matrix has equal number of columns and rows then it is said to be a/an
row matrix
square matrix
rectangular matrix
identical matrix
A diagonal matrix having same elements is called a
scalar matrix
identical matrix
rectangular matrix
square matrix
A rectangular array or a formation of a collection of real numbers
determinant
matrix
Formula
equation
Kind of quadrilateral in which opposite pairs of sides are parallel and equal is called
Parallelogram
semi-circle
Trapezium
Triangle
By converting 6.5ha(hectare) into m²(meter square), answer will be
0.65m²
650m²
65000m²
6500m²
By converting 60.8cm² into mm², answer will be
0.0608mm²
0.608mm²
608mm²
6080mm²
If diameter of a truck wheel is 0.65m and truck is travelling at 40km⁄h then number of revolutions per minute made by truck wheel is
5223
3223
6223
8500
If height of trapezium is 8cm and sum of parallel sides is 16cm then area of trapezium is
64cm²
85cm²
32cm²
54cm²
Total number of observations , which are below a certain value are known as
variances
class boundaries
cumulative frequency
class marks
Value of [(n +1)⁄2]th term is formula of
1st quartile
2nd quartile
Both a and b
median
A many sided closed figure used in frequency distribution is termed as
frequency decagon
frequency pentagon
frequency polygon
frequency hexagon
Most frequent observation in a data set is called
Mean
Mode
Range
median
By adding all numbers in set together and then total is divided by number of scores in that set, we obtained
geometric mean
variance
standard deviation
Arithmetic Mean
According to theorem of alternando if a : b = c : d then
a : d = b : c
b : a = d : c
a : c = b : d
A + B = C + D
Product of 2a6 b4 and a7 b8 is
2a19 b15
4a10 b7
2a13 b12
4a11 b12
Answer of 2
(3.4 x 107 ) in ordinary notation is
0.068
6800
0.00068
0.0068
An arrangement of numbers written in definite as per some specific rules is called
Sequence
subset
combination
permutation
24th term in Arithmetic Progression 3, 5, 7, .... is
48
A
47
52
Next term of 9, 12, 16, 21 is
27
24
34
30
In arithmetic sequence, common difference is denoted by
R
n
D
1
2
40
79
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