Question

1. a 107% of 30=
b. 117% of 30=
2. Use the facts that have give below to find. One example has given see the problem and do the other problems.
37% of x is 44.03 , 24% of x is 28.56
a. 61% of x = (37+24)% of x
= 37% of x + 24% of x
= 44.03 + 28.56
= 72.59
b. 18.5% of x.
c. 13% of x.
​

Answer 1

Answer:

Correct option is

D

2

Variance is independent of origin. So we shift the given data by

2

1

.

so,

30

10d

2

+10×0

2

+10d

2

−(0)

2

=

3

4

⇒d

2

=2⇒∣d∣=

2