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If a matrix has equal number of columns and rows then it is said to be a/an
rectangular matrix
square matrix
row matrix
identical matrix
A diagonal matrix having same elements is called a
rectangular matrix
square matrix
identical matrix
scalar matrix
A rectangular array or a formation of a collection of real numbers
determinant
Formula
matrix
equation
Kind of quadrilateral in which opposite pairs of sides are parallel and equal is called
Parallelogram
Trapezium
semi-circle
Triangle
By converting 6.5ha(hectare) into m²(meter square), answer will be
0.65m²
65000m²
6500m²
650m²
By converting 60.8cm² into mm², answer will be
608mm²
0.0608mm²
0.608mm²
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
6223
8500
3223
If height of trapezium is 8cm and sum of parallel sides is 16cm then area of trapezium is
64cm²
54cm²
32cm²
85cm²
Total number of observations , which are below a certain value are known as
variances
class boundaries
class marks
cumulative frequency
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 polygon
frequency pentagon
frequency hexagon
frequency decagon
Most frequent observation in a data set is called
Mean
median
Range
Mode
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
standard deviation
variance
According to theorem of alternando if a : b = c : d then
b : a = d : c
a : d = b : c
A + B = C + D
a : c = b : d
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
6800
0.00068
0.0068
0.068
An arrangement of numbers written in definite as per some specific rules is called
Sequence
combination
permutation
subset
24th term in Arithmetic Progression 3, 5, 7, .... is
48
A
47
52
Next term of 9, 12, 16, 21 is
24
30
34
27
In arithmetic sequence, common difference is denoted by
D
R
n
1
2
40
79
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