EASY
6th Foundation
IMPORTANT
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A number is always divisible by 90, if ______

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Important Questions on Playing with Numbers

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 5476a is divisible by 3, then what can be the least value of 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 _____
EASY
6th Foundation
IMPORTANT
IMO Olympiad Work Book 6>Chapter 3 - Playing with Numbers>EVERYDAY MATHEMATICS>Q 22
The least number of square tiles that will be needed to pave a plot 225 m by 30 m is _____.