Logical Reasoning — Chapter Test | Class 6 IMO

Q1

Find the next number: 5, 10, 20, 40, ___ ?

Each term doubles: 40 × 2 = 80.

Q2

Find the next number: 1, 4, 9, 16, ___ ?

These are square numbers, so 5 × 5 = 25.

Q3

Complete the analogy: hand : glove :: foot : ___ ?

A glove covers the hand; a sock covers the foot.

Q4

Which is the odd one out: 11, 13, 15, 17?

15 = 3 × 5 is composite; the others are prime.

Q5

If each letter moves forward by 1, the code for DOG is ___ ?

D→E, O→P, G→H gives EPH.

Q6

If A = 1, B = 2, …, Z = 26, then J = ___ ?

J is the 10th letter, so 10.

Q7

Facing North, you turn left. Which way do you now face?

Turning left from North faces West.

Q8

Your father's wife is your ___ ?

Your father's wife is your mother.

Q9

In a Venn diagram, students who play both cricket and football are shown by the ___ ?

The overlap shows things belonging to both groups.

Q10

Complete the series: AZ, BY, CX, ___ ?

First letters go A, B, C, D and second letters go Z, Y, X, W, giving DW.

Q11

On a clock face, which number is directly opposite 12?

6 is directly opposite 12.

Q12

Ravi walks 3 km East, then 4 km further East. How far East is he from the start?

3 + 4 = 7 km East.

Q13

Find the next prime number: 2, 3, 5, 7, 11, ___ ?

The next prime after 11 is 13.

Q14

If each letter moves forward by 1, what is the code for MONDAY?

M→N, O→P, N→O, D→E, A→B, Y→Z gives NPOEBZ.