RRB NTPC General Intelligence and Reasoning

Question 1

If TRAIN is coded as USBJM, how is RAIL coded?

Accepted Answer

SBJM

Answer

Each letter is shifted one position forward: R→S, A→B, I→J, L→M = SBJM.

Question 2

Find the odd one out: 8, 27, 64, 100, 125

Accepted Answer

100

Answer

100 is the odd one out because 8=2³, 27=3³, 64=4³, 125=5³ are perfect cubes, but 100 is not.

Question 3

If the day before yesterday was Thursday, what day will be the day after tomorrow?

Accepted Answer

Monday

Answer

If day before yesterday = Thursday, today = Saturday, day after tomorrow = Monday.

Question 4

Pointing to a man, a woman says, 'His mother is the only daughter of my mother.' How is the woman related to the man?

Accepted Answer

Mother

Answer

The only daughter of the woman's mother is the woman herself, so she is the man's mother.

Question 5

What comes next in the series: 2, 6, 12, 20, 30, ?

Accepted Answer

42

Answer

The differences are 4, 6, 8, 10, 12, so the next number is 30 + 12 = 42.

RRB NTPC Practice Test