Question

4,18,100,294,? find the missing term.

Answer 1

Answer:

This is a very very common puzzle in GMAT, The answer is 1210

Step-by-step explanation:

Let's consider the given numbers:

4=2³-2²

18=3³-3²

100=5³-5²

294=7³-7²

There is one thing in common and that is that all the numbers in the series are the difference between the number cubed and the number squared of the the prime numbers in increasing order, starting right from 2.

Similarly,

1210=11³-111²

HOPE THIS HELPS ;)

Answer 2

Answer:

there has to be a number after 4

As it is in the international number system there has to be commas after three digits.

But, in this number 4,18,100,294 a comma is missing after 4.So,either there should be a number after 4 or before 4.

Therefore,there is a missing number on either after 4 or before 1