Question

The mean of 10 numbers is 70. The sum of 10 numbers is

a) 200

b) 100

c) 700

d) 7000​

Answer 1

c)700

because,

total numbers=10

Means =70

we know,

mean = sum of numbers/total numbers

therefore,

sum of no.s=mean ×total no.s

=70×10

=700