Find the sum of `25 + (-21) + (-20) + (+17) + (-1)`

Find the sum of (-20), (-82), (-28) and (-14).

Find the sum of (-20), (-82), (-28) and (-14).

Find the sum: 25+ 28+31+…+100.

Find the median of 49, 48, 15, 20, 28, 17, 14 and 110.

Find the decimal form of (1)/(17)

Prove that : Find the sum of the infinite series 1+(2)/(3).(1)/(2)+(2.5)/(3.6)((1)/(2))^(2)+(2.5.8)/(3.6.9)((1)/(2))^(3)+......oo

Find 1.7 xx 3

Find the sum of the following APs. (iii) 0.6, 1.7, 2.8, ………. to 100 terms.

Without adding, find the sum of the following numbers 1 + 3 + 5 + 7 + 9 + 11 + 13 + 15 + 17 =