EASY
6th CBSE
IMPORTANT
Earn 100

Define co-prime numbers. Write down three examples.

Important Questions on Playing With Numbers

EASY
6th CBSE
IMPORTANT
Foundation Course Mathematics>Chapter 3 - Playing With Numbers>Exercise>Q 10
Write the smallest 4-digit number and express it as product of prime
MEDIUM
6th CBSE
IMPORTANT
Foundation Course Mathematics>Chapter 3 - Playing With Numbers>Exercise>Q 1
Find the LCM and HCF of 54,108 and 288 by prime factorisation method.
MEDIUM
6th CBSE
IMPORTANT
Foundation Course Mathematics>Chapter 3 - Playing With Numbers>Exercise>Q 2
The floor of a room 9 m×6.75 m is to be paved by square marble slabs. Find the maximum size of each slab. How many slabs will be required in all or?
MEDIUM
6th CBSE
IMPORTANT
Foundation Course Mathematics>Chapter 3 - Playing With Numbers>Exercise>Q 3
Using divisibility tests, determine whether '438340' is divisible by 3,4,8,10 or not?
MEDIUM
6th CBSE
IMPORTANT
Foundation Course Mathematics>Chapter 3 - Playing With Numbers>Exercise>Q 4
Replace the star (*) by the smallest number, so that 78*964 may be divisible by 9
EASY
6th CBSE
IMPORTANT
Foundation Course Mathematics>Chapter 3 - Playing With Numbers>Exercise>Q 4
Replace the star (*) by the smallest number, so that 75* may be divisible by 4
EASY
6th CBSE
IMPORTANT
Foundation Course Mathematics>Chapter 3 - Playing With Numbers>Exercise>Q 4
Replace the star (*) by the smallest number, so that 2*345 may be divisible by 3
MEDIUM
6th CBSE
IMPORTANT
Foundation Course Mathematics>Chapter 3 - Playing With Numbers>Exercise>Q 5
Using property of divisibility, check whether 1500 is divisible by 30? Also, state the property used.