EASY
6th ICSE
IMPORTANT
Earn 100

HCF of two or more numbers can be one of the numbers.

50% studentsanswered this correctly

Important Questions on Playing With Numbers

HARD
6th ICSE
IMPORTANT
Cambridge connection Mathematics>Chapter 6 - Playing With Numbers>Let's Practice>Q 1
Find the least number which when increased by 21 is exactly divisible by 15, 25, 35 and 45.
HARD
6th ICSE
IMPORTANT
Cambridge connection Mathematics>Chapter 6 - Playing With Numbers>Let's Practice>Q 2
Find the greatest number of four digits which is exactly divisible by 8, 12, 15 and 18.
HARD
6th ICSE
IMPORTANT
Cambridge connection Mathematics>Chapter 6 - Playing With Numbers>Let's Practice>Q 3
Find the least five-digit number which on dividing by 12, 16, 30 and 36 leaves a remainder 5.
HARD
6th ICSE
IMPORTANT
Cambridge connection Mathematics>Chapter 6 - Playing With Numbers>Let's Practice>Q 4
A bag of balls are packed into three small boxes which can contain 48, 72 and 112 balls, respectively. Find the minimum number of balls in the bag.
HARD
6th ICSE
IMPORTANT
Cambridge connection Mathematics>Chapter 6 - Playing With Numbers>Let's Practice>Q 5
A traffic light at three different road crossings changes after every 60 sec, 72 sec and 48sec, respectively. If they all change simultaneously at 7:10 p.m., when will they again change simultaneously?
HARD
6th ICSE
IMPORTANT
Cambridge connection Mathematics>Chapter 6 - Playing With Numbers>Let's Practice>Q 6
Five bells commence tolling together at intervals of 4, 6, 5, 9 and 10 sec respectively. In 30 minutes, how many times do they toll together? (Excluding the one at start)
HARD
6th ICSE
IMPORTANT
Cambridge connection Mathematics>Chapter 6 - Playing With Numbers>Let's Practice>Q 7
Find the greatest number that exactly divides 513, 1104 and 1215.
HARD
6th ICSE
IMPORTANT
Cambridge connection Mathematics>Chapter 6 - Playing With Numbers>Let's Practice>Q 8
Find the largest number which divide 132 and 532, leaving 7 as remainder in each case.