| 1. | Find the greatest number of five digits which when divided by 3, 5, 8, 12 have 2 as remainder ? | |
|
99999
|
||
|
99958
|
||
|
99960
|
||
|
99962
|
||
View Answer
Discuss in Forum
Report Question| 2. | What is the greatest number that will divide 307 and 330 leaving remainders 3 and 7 respectively ? | |
|
19
|
||
|
16
|
||
|
17
|
||
|
23
|
||
| 3. | Three numbers are in the ratio 2 : 3 : 4 and their H.C.F. is 12. The L.C.M. of the numbers is ? | |
|
144
|
||
|
192
|
||
|
96
|
||
|
72
|
||
| 4. | The H.C.F. of two numbers, each having three digits , is 17 and their L.C.M. is 714. The sum of the numbers will be ? | |
|
289
|
||
|
391
|
||
|
221
|
||
|
731
|
||
| 5. | Let x be the least number, which when divided by 5, 6, 7 and 8 leaves a remainder 3 in each case but when divided by 9 leaves no remainder. The sum of digits of x is ? | |
|
21
|
||
|
22
|
||
|
18
|
||
|
24
|
||
| 6. | The HCF (GCD) of a, b is 12, a, b are positive integers and a > b > 12. The smallest values of (a, b) are respectively ? | |
|
12, 24
|
||
|
24, 12
|
||
|
24, 36
|
||
|
36, 24
|
||
| 7. | The least number, which when divided by 12, 15, 20 or 54 leaves a remainder of 4 in each case, is ? | |
|
450
|
||
|
454
|
||
|
540
|
||
|
544
|
||
| 8. | The HCF and LCM of two numbers are 13 and 455 respectively. If one of the number lies between 75 and 125, then, that number is ? | |
|
78
|
||
|
91
|
||
|
104
|
||
|
117
|
||
| 9. | The H.C.F. and L.C.M. of two 2-digit numbers are 16 and 480 respectively. The numbers are ? | |
|
40, 48
|
||
|
60, 72
|
||
|
64, 80
|
||
|
80, 96
|
||
| 10. | If the ratio of two numbers is 2 : 3 and their L.C.M. is 54, then the sum of the two numbers is ? | |
|
5
|
||
|
15
|
||
|
45
|
||
|
270
|
||