Question : Three numbers are in the ratio 2 : 5 : 7. The sum of the smallest and largest number equals the sum of the second number and 16. What is the smallest number?

Option 1: 8

Option 2: 12

Option 3: 6

Option 4: 10

Question : Three numbers are in the ratio of 1 : 2 : 3. The product of the three numbers is 1296. What is the sum of the three numbers?

Option 1: 36

Option 2: 30

Option 3: 72

Option 4: 24

Question : The sum of three numbers is 126. If the ratio of the first to third is 3 : 7 and that of the second to third is 4 : 7, then what is the second number?

Option 1: 36

Option 2: 27

Option 3: 63

Option 4: 56

Question : In three positive numbers, the ratio of first and second is 3 : 4 and the ratio of second and third is 3 : 5. The product of first and third is 4500. What is the sum of the three numbers?

Option 1: 282

Option 2: 235

Option 3: 198

Option 4: 205

Question : If 20% of a number is $\frac{1}{6}$th of another number, what is the ratio of the first number to the second number?

Option 1: 4 : 7

Option 2: 5 : 6

Option 3: 5 : 3

Option 4: 4 : 5