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If a matrix has equal number of columns and rows then it is said to be a/an
square matrix
rectangular matrix
identical matrix
row matrix
A diagonal matrix having same elements is called a
scalar matrix
square matrix
rectangular matrix
identical 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
608mm²
6080mm²
0.0608mm²
0.608mm²
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
6223
5223
3223
8500
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
variances
cumulative frequency
class marks
class boundaries
Value of [(n +1)⁄2]th term is formula of
2nd quartile
1st quartile
Both a and b
median
A many sided closed figure used in frequency distribution is termed as
frequency decagon
frequency hexagon
frequency pentagon
frequency polygon
Most frequent observation in a data set is called
Mode
median
Range
Mean
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
b : a = d : c
A + B = C + D
a : d = b : c
a : c = b : d
Product of 2a6 b4 and a7 b8 is
2a13 b12
2a19 b15
4a11 b12
4a10 b7
Answer of 2
(3.4 x 107 ) in ordinary notation is
0.0068
0.00068
6800
0.068
An arrangement of numbers written in definite as per some specific rules is called
Sequence
combination
subset
permutation
24th term in Arithmetic Progression 3, 5, 7, .... is
52
A
47
48
Next term of 9, 12, 16, 21 is
34
27
24
30
In arithmetic sequence, common difference is denoted by
R
D
n
1
2
40
79
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