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

• 1. 28
• 2. 32
• 3. 40
• 4. 64

Question: Three numbers which are co-prime to each other are such that the product of the first two is 551 and that of the last two is 1073. The sum of the three numbers is________?

• 1. 75
• 2. 81
• 3. 85
• 4. 89

Question: The product of two numbers is 2028 and their H.C.F is 13. The number of such pairs is__________?

• 1. 1
• 2. 2
• 3. 3
• 4. 4

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

• 1. 101
• 2. 107
• 3. 111
• 4. 185

Question: The sum of two numbers is 528 and their H.C.F is 33. The number of pairs of numbers satisfying the above conditions is__________?

• 1. 4
• 2. 6
• 3. 8
• 4. 12

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

• 1. 12
• 2. 16
• 3. 24
• 4. 48

Question: Three numbers are in the ratio 1:2:3 and their H.C.F is 12. The numbers are__________?

• 1. 4, 8, 12
• 2. 5, 10, 15
• 3. 10, 20, 30
• 4. 12, 24, 36

Question: The G.C.D of 1.08, 0.36 and 0.9 is________?

• 1. 0.03
• 2. 0.9
• 3. 0.18
• 4. 0.108

Question: Find the lowest common multiple of 24, 36 and 40.

• 1. 120
• 2. 240
• 3. 360
• 4. 480

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

• 1. 4
• 2. 6
• 3. 12
• 4. 18