Question : If the product of three consecutive numbers is 210, then the sum of the 2 smaller numbers is:

Option 1: 3

Option 2: 4

Option 3: 5

Option 4: 11

Question : The sum of three consecutive natural numbers divisible by 3 is 45. The smallest number is:

Option 1: 18

Option 2: 3

Option 3: 12

Option 4: 9

Question : If the square of the sum of two numbers is equal to 4 times their product, then the ratio of these numbers is:

Option 1: 2 : 1

Option 2: 1 : 3

Option 3: 1 : 1

Option 4: 1 : 2

Question : If the sum of two numbers is 60 and their HCF and LCM are 5 and 60, respectively, then the sum of the reciprocals of the numbers will be:

Option 1: $\frac{1}{11}$

Option 2: $\frac{1}{6}$

Option 3: $\frac{1}{4}$

Option 4: $\frac{1}{5}$

Question : Three numbers are in the ratio 5 : 6 : 7. If the product of the number is 5670, then the greatest number is:

Option 1: 15

Option 2: 18

Option 3: 21

Option 4: 28