Quantitative Aptitude Practice Test On - Problems on H.C.F and L.C.M - Part - 6

Problems on H.C.F and L.C.M Online Test Part - 6

Exam Name - Quantitative Aptitude
Subject Name - Problems on H.C.F and L.C.M
Exam Type - Multiple Choice Questions
No Of Questions - 10

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Question - 1:An electronic device makes a beep after every 60 sec. Another device makes a beep after every 62 sec. They beeped together at 10 a.m. The time when they will next make a beep together at the earliest, is?

1. 10:28 am
2. 10:30 am
3. 10:31 am
4. None of above

Show/Hide Answer

Answer = C - 10:31 am
Explanation: No Explanation

Question - 2:Which of the following has the most number of divisors? ?

1. 99
2. 101
3. 182
4. 176

Show/Hide Answer

Answer = D - 176
Explanation: No Explanation

Question - 3:The ratio of two numbers is 3 : 4 and their H.C.F. is 4. Their L.C.M. is: ?

1. 12
2. 48
3. 24
4. 16

Show/Hide Answer

Answer = B - 48
Explanation: No Explanation

Question - 4:The product of two numbers is 4107. If the H.C.F of those numbers is 37, then the greater number is ?

1. 101
2. 107
3. 109
4. 111

Show/Hide Answer

Answer = D - 111
Explanation: No Explanation

Question - 5:Find the highest common factor of 36 and 84. ?

1. 4
2. 6
3. 12
4. 18

Show/Hide Answer

Answer = C - 12
Explanation: No Explanation

Question - 6:A rectangular courty 3.78 metres long and 5.25 metres wide is to be paved exactly with square tiles, all of the same size. What is the largest size of the tile which could be used for the purpose ? ?

1. 14 cms
2. 21 cms
3. 42 cms
4. None of these

Show/Hide Answer

Answer = B - 21 cms
Explanation: Largest size of the tile .
H.C.F of 378cm and 525 cm = 21 cm.

Question - 7:The H.C.F. OF 3556 and 3444 is : ?

1. 25
2. 26
3. 28
4. 23

Show/Hide Answer

Answer = C - 28
Explanation: No Explanation

Question - 8:The L.C.M. of two numbers is 48. The numbers are in the ratio 2 : 3. Then sum of the number is: ?

1. 28
2. 32
3. 40
4. 64

Show/Hide Answer

Answer = C - 40
Explanation: No Explanation

Question - 9:The H.C.F of two numbers is 8. Which one of the following can never be their L.C.M ? ?

1. 8
2. 12
3. 60
4. 72

Show/Hide Answer

Answer = C - 60
Explanation: H.C.F of two numbers divides their L.C.M exactly.
Clearly, 8 is not a factor of 60.

Question - 10:The H.C.F. of two numbers is 11 and their L.C.M. is 7700. If one these numbers is 275, then the other one is : ?

1. 279
2. 283
3. 318
4. 308

Show/Hide Answer

Answer = C - 308
Explanation: No Explanation

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