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