Question

The value of ∑(i=1)^3 ∑(h=0)^2 i is _________

(a) 10

(b) 17

(c) 15

(d) 18

I have been asked this question in exam.

This interesting question is from Sequences and Summations topic in chapter Basic Structures: Sets, Functions, Sequences, Sums and Matrices of Discrete Mathematics

Answer 1

Right answer is (d) 18

Explanation: The value of ∑(i=1)^3 ∑(h=0)^2 i  = 1+1+1+2+2+2+3+3+3 = 18.