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