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If a matrix has equal number of columns and rows then it is said to be a/an
identical matrix
rectangular matrix
row matrix
square matrix
A diagonal matrix having same elements is called a
square matrix
identical matrix
scalar matrix
rectangular matrix
A rectangular array or a formation of a collection of real numbers
equation
determinant
matrix
Formula
Kind of quadrilateral in which opposite pairs of sides are parallel and equal is called
Trapezium
Triangle
Parallelogram
semi-circle
By converting 6.5ha(hectare) into m²(meter square), answer will be
0.65m²
65000m²
650m²
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
8500
3223
5223
6223
If height of trapezium is 8cm and sum of parallel sides is 16cm then area of trapezium is
85cm²
32cm²
64cm²
54cm²
Total number of observations , which are below a certain value are known as
variances
class marks
class boundaries
cumulative frequency
Value of [(n +1)⁄2]th term is formula of
1st quartile
2nd quartile
median
Both a and b
A many sided closed figure used in frequency distribution is termed as
frequency hexagon
frequency polygon
frequency decagon
frequency pentagon
Most frequent observation in a data set is called
Mode
median
Mean
Range
By adding all numbers in set together and then total is divided by number of scores in that set, we obtained
Arithmetic Mean
variance
geometric mean
standard deviation
According to theorem of alternando if a : b = c : d then
A + B = C + D
a : d = b : c
a : c = b : d
b : a = d : c
Product of 2a6 b4 and a7 b8 is
4a11 b12
2a19 b15
4a10 b7
2a13 b12
1
2
53
105
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