1.Find the greatest number that will divide 43, 91 and 183 so as to leave the same remainder in each case.
A. 4 B. 7
C. 9 D. 13
Answer: Option A
2.The H.C.F. of two numbers is 23 and the other two factors of their L.C.M. are 13 and 14. The larger of the two numbers is:
A. 276 B. 299
C. 322 D. 345
Answer: Option C
3.Six bells commence tolling together and toll at intervals of 2, 4, 6, 8 10 and 12 seconds respectively. In 30 minutes, how many times do they toll together ?
A. 4 B. 10
C. 15 D. 16
Answer: Option D
4.Let N be the greatest number that will divide 1305, 4665 and 6905, leaving the same remainder in each case. Then sum of the digits in N is:
A. 4 B. 5
C. 6 D. 8
Answer: Option A
5.The greatest number of four digits which is divisible by 15, 25, 40 and 75 is:
A. 9000 B. 9400
C. 9600 D. 9800
Answer: Option C
6.The product of two numbers is 4107. If the H.C.F. of these numbers is 37, then the greater number is:
A. 101 B. 107
C. 111 D. 185
Answer: Option C
7. Three number are in the ratio of 3 : 4 : 5 and their L.C.M. is 2400. Their H.C.F. is:
A. 40 B. 80
C. 120 D. 200
Answer: Option A
8.The G.C.D. of 1.08, 0.36 and 0.9 is:
A. 0.03 B. 0.9
C. 0.18 D. 0.108
Answer: Option C
9. The product of two numbers is 2028 and their H.C.F. is 13. The number of such pairs is:
A. 1 B. 2
C. 3 D. 4
Answer: Option B
10.The least multiple of 7, which leaves a remainder of 4, when divided by 6, 9, 15 and 18 is:
A. 74 B. 94
C. 184 D. 364
Answer: Option D
A. 4 B. 7
C. 9 D. 13
Answer: Option A
2.The H.C.F. of two numbers is 23 and the other two factors of their L.C.M. are 13 and 14. The larger of the two numbers is:
A. 276 B. 299
C. 322 D. 345
Answer: Option C
3.Six bells commence tolling together and toll at intervals of 2, 4, 6, 8 10 and 12 seconds respectively. In 30 minutes, how many times do they toll together ?
A. 4 B. 10
C. 15 D. 16
Answer: Option D
4.Let N be the greatest number that will divide 1305, 4665 and 6905, leaving the same remainder in each case. Then sum of the digits in N is:
A. 4 B. 5
C. 6 D. 8
Answer: Option A
5.The greatest number of four digits which is divisible by 15, 25, 40 and 75 is:
A. 9000 B. 9400
C. 9600 D. 9800
Answer: Option C
6.The product of two numbers is 4107. If the H.C.F. of these numbers is 37, then the greater number is:
A. 101 B. 107
C. 111 D. 185
Answer: Option C
7. Three number are in the ratio of 3 : 4 : 5 and their L.C.M. is 2400. Their H.C.F. is:
A. 40 B. 80
C. 120 D. 200
Answer: Option A
8.The G.C.D. of 1.08, 0.36 and 0.9 is:
A. 0.03 B. 0.9
C. 0.18 D. 0.108
Answer: Option C
9. The product of two numbers is 2028 and their H.C.F. is 13. The number of such pairs is:
A. 1 B. 2
C. 3 D. 4
Answer: Option B
10.The least multiple of 7, which leaves a remainder of 4, when divided by 6, 9, 15 and 18 is:
A. 74 B. 94
C. 184 D. 364
Answer: Option D
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