EASY
6th CBSE
IMPORTANT
Earn 100

Identify whether the given number is a prime number.

163

Important Questions on Playing With Whole Numbers

MEDIUM
6th CBSE
IMPORTANT
Excellence in Mathematics>Chapter 3 - Playing With Whole Numbers>CHAPTER-END EXERCISES>Q 2
Find the HCF of the following : 144, 180 and 192
MEDIUM
6th CBSE
IMPORTANT
Excellence in Mathematics>Chapter 3 - Playing With Whole Numbers>CHAPTER-END EXERCISES>Q 2
Find the H.C.F of the following : 136, 170 and 255
MEDIUM
6th CBSE
IMPORTANT
Excellence in Mathematics>Chapter 3 - Playing With Whole Numbers>CHAPTER-END EXERCISES>Q 2
Find the H.C.F of the following : 161 and 345
MEDIUM
6th CBSE
IMPORTANT
Excellence in Mathematics>Chapter 3 - Playing With Whole Numbers>CHAPTER-END EXERCISES>Q 2
Find the H.C.F of the following : 513, 621 and 783
MEDIUM
6th CBSE
IMPORTANT
Excellence in Mathematics>Chapter 3 - Playing With Whole Numbers>CHAPTER-END EXERCISES>Q 2
Find the H.C.F of the following : 289, 391 and 884
MEDIUM
6th CBSE
IMPORTANT
Excellence in Mathematics>Chapter 3 - Playing With Whole Numbers>CHAPTER-END EXERCISES>Q 3
Find the largest number which exactly divides 280 and 1245 leaving remainders 4 and 3 respectively.
MEDIUM
6th CBSE
IMPORTANT
Excellence in Mathematics>Chapter 3 - Playing With Whole Numbers>CHAPTER-END EXERCISES>Q 6
In a seminar, the number of participants in Hindi, English and Mathematics are 106, 159 and 265 respectively. Find the minimum number of rooms required, if in each room the same number of participants is to be seated and all of them are for the same subject.
MEDIUM
6th CBSE
IMPORTANT
Excellence in Mathematics>Chapter 3 - Playing With Whole Numbers>CHAPTER-END EXERCISES>Q 7
Find the smallest number which when divided by 21, 28, 36 and 45 leaves a remainder 9 in each case.