| 1. | The HCF of two numbers 12906 and 14818 is 478. Their LCM is ? | |
|
400086
|
||
|
200043
|
||
|
600129
|
||
|
800172
|
||
View Answer
Discuss in Forum
Report Question| 2. | The LCM of two numbers is 30 and their HCF is 5. One of the number is 10. The other is ? | |
|
20
|
||
|
25
|
||
|
15
|
||
|
5
|
||
| 3. | The product of two numbers is 2160 and their HCF is 12. Number of such possible pairs is ? | |
|
1
|
||
|
2
|
||
|
3
|
||
|
4
|
||
| 4. | The L.C.M. of three different numbers is 120. Which of the following cannot be their H.C.F. ? | |
|
8
|
||
|
12
|
||
|
24
|
||
|
35
|
||
| 5. | The least multiple of 13, which on dividing by 4, 5, 6, 7 and 8 leaves remainder 2 in each case is ? | |
|
2520
|
||
|
842
|
||
|
2522
|
||
|
840
|
||
| 6. | The smallest square number divisible by 10, 16 and 24 is ? | |
|
900
|
||
|
1600
|
||
|
2500
|
||
|
3600
|
||
| 7. | The least number which when divided by 16, 18, 20 and 25 leaves 4 as remainder in each case but when divided by 7 leaves no remainder is ? | |
|
17004
|
||
|
18000
|
||
|
18002
|
||
|
18004
|
||
| 8. | Four bells ring at intervals of 4, 6, 8 and 14 seconds. They start ringing simultaneously at 12.00 O’clock. At what time will they again ring simultaneously ? | |
|
12 hrs. 2 min. 48 sec.
|
||
|
12 hrs. 3 min.
|
||
|
12 hrs. 3 min. 20 sec.
|
||
|
12 hrs. 3 min. 44 sec.
|
||
| 9. | The largest number, which divides 25, 73 and 97 to leave the same remainder in each case, is ? | |
|
24
|
||
|
23
|
||
|
21
|
||
|
6
|
||
| 10. | The greatest number that divides 411, 684, 821 and leaves 3, 4 and 5 as remainders, respectively, is ? | |
|
254
|
||
|
146
|
||
|
136
|
||
|
204
|
||