MCA Exam

Question

Select the missing number from the given respons

$ 0,7,26,63,?$

• A. $124$
• B. $98$ 
• C. $148$
• D. $188$

Comments

$124$

Answer 1

Given Sequence is $0,7,26,63,\dots$

We've to find the next number after $63$

Observe the following

$0 = 1^3 - 1$

$7 = 2^3-1$

$26 = 3^3 - 1$

$63 = 4^3-1$

$\therefore$ Next number will be $(5^3-1)$ i.e. $(125-1) =124$

The sequence will be $0,7,26,63,124,215,342,511,728,999,\dots$

Comments

Thanks a lot Subarna

Answer 2

124