# Problems on Numbers with Explanation

Q8. The sum of the square of three consecutive natural numbers is 302. What is the middle number?

 A. 10 B. 12 C. 8 D. 15

Q9. The sum of two number is 42, and their product is 440. Find the sum of their reciprocals?

A.
 21 220
B.
 8 75
C.
 75 4
D.
 220 21

Q10. The difference between two natural number is 3. And the sum of their squares is 549, what is the sum of the numbers?

 A. 81 B. 27 C. 33 D. 25

Q11. If 16 is added to a positive number is becomes equal to 80 times the reciprocal of the number. The positive number is?

 A. 4 B. 10 C. 12 D. 3

Q12. The ratio between two numbers is 4 : 7. If each is increased by 4, the ratio becomes 3 : 5. Find the larger number?

 A. 36 B. 48 C. 64 D. 56

Q13. The sum of three number is 95. If the first number is thrice the second number and the third number is one-fourth of the first number then the second number is?

 A. 50 B. 20 C. 35 D. 40

Q14. The sum of two numbers is 15. Twenty times one number is equal to ten times the second number. Find the bigger number?

 A. 8 B. 7 C. 5 D. 10   