Sum and product of two numbers is 11 and 18 respectively. What will be the sum of their reciprocals? 

A man has eaten 100 grapes in 5 days. He eats 6 more grapes every day in comparison to the previous day. How many grapes did he eat on the first day?

A student multiplies a number with 7.2 instead of 0.72. If due to this answer is 2592 more than the right answer, then what was the original number? 

Species which has restricted distribution is called

The study of factor pricing is alternatively called the theory of 

Who suggested that most of the mass of the atom is located in the nucleus? 

The gas usually filled in the electric bulb is.

Which answer figure will complete the pattern in the question figure?