HCF of two numbers $=$

Important Questions on Playing with Numbers

EASY

6th Foundation

IMPORTANT

IMO Olympiad Work Book 6>Chapter 3 - Playing with Numbers>MATHEMATICAL REASONING>Q 14

A number is always divisible by $90$, if ______

EASY

6th Foundation

IMPORTANT

IMO Olympiad Work Book 6>Chapter 3 - Playing with Numbers>MATHEMATICAL REASONING>Q 15

The reciprocal of the smallest prime number is ______.

EASY

6th Foundation

IMPORTANT

IMO Olympiad Work Book 6>Chapter 3 - Playing with Numbers>MATHEMATICAL REASONING>Q 16

The two numbers which have only $1$ as their common factor are called ______.

EASY

6th Foundation

IMPORTANT

IMO Olympiad Work Book 6>Chapter 3 - Playing with Numbers>MATHEMATICAL REASONING>Q 17

If $5476\mathrm{a}$ is divisible by $3,$ then what can be the least value of $\mathrm{a}$?

EASY

6th Foundation

IMPORTANT

IMO Olympiad Work Book 6>Chapter 3 - Playing with Numbers>MATHEMATICAL REASONING>Q 18

The least number which when decreased by $9$ is exactly divisible by $12,16,24$ and $48$ is ______.

EASY

6th Foundation

IMPORTANT

IMO Olympiad Work Book 6>Chapter 3 - Playing with Numbers>MATHEMATICAL REASONING>Q 19

Find the greatest number which will divide the greatest $3$-digit number and the greatest $4$-digit number exactly.

EASY

6th Foundation

IMPORTANT

IMO Olympiad Work Book 6>Chapter 3 - Playing with Numbers>MATHEMATICAL REASONING>Q 20

The HCF and LCM of two numbers is $36$ and $720$ respectively. If one of the numbers is $180$, then the other number is ______.

EASY

6th Foundation

IMPORTANT

IMO Olympiad Work Book 6>Chapter 3 - Playing with Numbers>EVERYDAY MATHEMATICS>Q 21

There are $153$ apples and $119$ oranges. These fruits are to be arranged in heaps containing the same number of fruits. Then the greatest number of fruits possible in each heap is _____