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0% Class -5 - Mathematics-LCM and HCF-1 1 / 20 A, B and C start at the same time in the same direction to run around a circular stadium. A completes a round in 252 seconds, B in 308 seconds and c in 198 seconds, all starting at the same point. After what time will they again at the starting point? 46 minutes and 12 seconds 45 minutes 26 minutes and 18 seconds 42 minutes and 36 seconds 2 / 20 What is the greatest common factor of 27 and 126? 18 6 9 27 3 / 20 What is the greatest common factor of 72 and 252? 12 18 36 45 4 / 20 The ratio of two numbers is 3 : 4 and their H.C.F. is 4. Their L.C.M. is: 16 48 24 12 5 / 20 What is the greatest common factor of 60 and 225? 5 45 15 25 6 / 20 What is the greatest common factor of 180, 225 and 270? 15 60 30 45 7 / 20 What is the greatest common factor of 81 and 180? 36 27 9 18 8 / 20 Find the highest common factor of 36 and 84.4 4 12 18 6 9 / 20 he greatest possible length which can be used to measure exactly the lengths 7 m, 3 m 85 cm, 12 m 95 cm is : 42 cm 35 cm 25 cm 15 cm 10 / 20 The product of two numbers is 2028 and their H.C.F. is 13. The number of such pairs is : 2 1 4 3 11 / 20 The least multiple of 7, which leaves a remainder of 4, when divided by 6, 9, 15 and 18 is : 74 94 184 364 12 / 20 What is the greatest common factor of 45 and 105? 15 35 45 25 13 / 20 The least number which when divided by 5, 6 , 7 and 8 leaves a remainder 3, but when divided by 9 leaves no remainder, is : 1677 2523 3363 1683 14 / 20 The least number which should be added to 2497 so that the sum is exactly divisible by 5, 6, 4 and 3 is : 33 23 13 3 15 / 20 What is the greatest common factor of 196 and 462? 14 28 22 4 16 / 20 The product of two numbers is 4107. If the H.C.F. of these numbers is 37, then the greater number is : 185 107 111 101 17 / 20 What is the greatest common factor of 126 and 196? 28 14 18 21 18 / 20 The G.C.D. of 1.08, 0.36 and 0.9 is : 0.9 0.108 0.18 0.03 19 / 20 The least number, which when divided by 12, 15, 20 and 54 leaves in each case a remainder of 8 is : 548 536 504 544 20 / 20 Three numbers are in the ratio of 3: 4: 5 and their L.C.M. is 2400. Their H.C.F. is : 120 200 80 40 Your score is 0% Restart quiz
Class -5 - Mathematics-LCM and HCF-1
1 / 20
A, B and C start at the same time in the same direction to run around a circular stadium. A completes a round in 252 seconds, B in 308 seconds and c in 198 seconds, all starting at the same point. After what time will they again at the starting point?
2 / 20
What is the greatest common factor of 27 and 126?
3 / 20
What is the greatest common factor of 72 and 252?
4 / 20
The ratio of two numbers is 3 : 4 and their H.C.F. is 4. Their L.C.M. is:
5 / 20
What is the greatest common factor of 60 and 225?
6 / 20
What is the greatest common factor of 180, 225 and 270?
7 / 20
What is the greatest common factor of 81 and 180?
8 / 20
Find the highest common factor of 36 and 84.4
9 / 20
he greatest possible length which can be used to measure exactly the lengths 7 m, 3 m 85 cm, 12 m 95 cm is :
10 / 20
The product of two numbers is 2028 and their H.C.F. is 13. The number of such pairs is :
11 / 20
The least multiple of 7, which leaves a remainder of 4, when divided by 6, 9, 15 and 18 is :
12 / 20
What is the greatest common factor of 45 and 105?
13 / 20
The least number which when divided by 5, 6 , 7 and 8 leaves a remainder 3, but when divided by 9 leaves no remainder, is :
14 / 20
The least number which should be added to 2497 so that the sum is exactly divisible by 5, 6, 4 and 3 is :
15 / 20
What is the greatest common factor of 196 and 462?
16 / 20
The product of two numbers is 4107. If the H.C.F. of these numbers is 37, then the greater number is :
17 / 20
What is the greatest common factor of 126 and 196?
18 / 20
The G.C.D. of 1.08, 0.36 and 0.9 is :
19 / 20
The least number, which when divided by 12, 15, 20 and 54 leaves in each case a remainder of 8 is :
20 / 20
Three numbers are in the ratio of 3: 4: 5 and their L.C.M. is 2400. Their H.C.F. is :
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