| 1. | The LCM of two numbers is 12 times their HCF. The sum of the HCF and the LCM is 403. If one of the number is 93, then the other number is ? | |
|
124
|
||
|
128
|
||
|
134
|
||
|
138
|
||
View Answer
Discuss in Forum
Report Question| 2. | What is the greatest number which will divide 110 and 128 leaving a remainder 2 in each case ? | |
|
8
|
||
|
18
|
||
|
28
|
||
|
38
|
||
| 3. | The greatest number, which when subtracted from 5834, gives a number exactly divisible by each of 20, 28, 32 and 35, is ? | |
|
1120
|
||
|
4714
|
||
|
5200
|
||
|
5600
|
||
| 4. | From a point on a circular track 5 km long A, B and C started running in the same direction at the same time with speed of 2 and 1/2 km per hour, 3 km per hour and 2 km per hour respectively. Then on the starting point all three will meet again after ? | |
|
30 hours
|
||
|
6 hours
|
||
|
10 hours
|
||
|
15 hours
|
||
| 5. | The least number which when divided by 4, 6, 8 and 9 leave zero remainder in each case and when divided by 13 leaves a remainder of 7 is ? | |
|
144
|
||
|
72
|
||
|
36
|
||
|
85
|
||
| 6. | A, B, C start running at the same time and at the same point in the same direction in a circular stadium. A completes a round in 252 seconds, B in 308 seconds and C in 198 seconds. After what time will they meet again at the starting point ? | |
|
26 minutes 18 seconds
|
||
|
42 minutes 36 seconds
|
||
|
45 minutes
|
||
|
46 minutes 12 seconds
|
||
| 7. | LCM of two numbers is 2079 and their HCF is 27. If one of the number is 189, the other number is ? | |
|
297
|
||
|
584
|
||
|
189
|
||
|
216
|
||
| 8. | The product of two numbers is 216. If the HCF is 6, then their LCM is ? | |
|
72
|
||
|
60
|
||
|
48
|
||
|
36
|
||
| 9. | The HCF of two numbers is 16 and their LCM is 160. If one of the number is 32, then the other number is ? | |
|
48
|
||
|
80
|
||
|
96
|
||
|
112
|
||
| 10. | The LCM of two numbers is 864 and their HCF is 144. If one of the number is 288, the other number is ? | |
|
576
|
||
|
1296
|
||
|
432
|
||
|
144
|
||