| 1. | The LCM of two multiples of 12 is 1056. If one of the number is 132, the other number is ? | |
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12
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72
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96
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132
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Report Question| 2. | The smallest five digit number which is divisible by 12,18 and 21 is ? | |
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10224
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30256
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10080
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50321
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| 3. | The sum of two numbers is 45. Their difference is 1/9 of their sum. Their L.C.M. is ? | |
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200
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250
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100
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150
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| 4. | The ratio of two numbers is 4 : 5 and their L.C.M. is 120. The numbers are ? | |
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30, 40
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40, 32
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24, 30
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36, 20
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| 5. | A farmer has 945 cows and 2475 sheep. He farms them into flocks, keeping cows and sheep separate and having the same number of animals in each flock. If these flocks are as large as possible, then the maximum number of animals in each flock and total number of flocks required for the purpose are respectively ? | |
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15 and 228
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9 and 380
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45 and 76
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46 and 75
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| 6. | Find the least number which when divided separately by 15, 20, 36 and 48 leaves 3 as remainder in each case ? | |
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183
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243
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483
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723
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| 7. | When a number is divided by 15, 20 or 35, each time the remainder is 8. Then the smallest number is ? | |
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428
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427
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328
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338
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| 8. | The least number, which when divided by 18, 27 and 36 separately leaves remainders 5,14, and 23 respectively, is ? | |
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95
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113
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149
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77
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| 9. | Which is the least number which when doubled will be exactly divisible by 12, 18, 21 and 30 ? | |
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2520
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1260
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630
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196
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| 10. | The L.C.M. of two numbers is 1820 and their H.C.F. is 26. If one number is 130 then the other number is ? | |
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70
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1690
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364
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1264
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