Q11. The difference between a number and its three-fifth is 50. What is the number ?
A. 75
B. 100
C. 175
D. 125
Q12. The sum of two numbers is 40 and their difference is 4. The ratio of the numbers is :
A. 22 : 9
B. 21 : 19
C. 11 : 9
D. 11 : 18
Q13. If the, sum of two numbers is 33 and their difference is 15, the smaller number is :
A. 12
B. 15
C. 9
D. 18
Q14. The sum of a number and its reciprocal is one-eighth of 34. What is the product of the number and its square root ?
A. 8
B. 45
C. 32
D. 27
Q15. The sum of two numbers is 40 and their product is 375. What will be the sum of their reciprocals ?
A. 1/40
B. 75/4
C. 8/75
D. 75/8
Q16. Find the number which when multiplied by 15 is increased by 196.
A. 14
B. 20
C. 26
D. 28
Q17. The product of two numbers is 45 and the sum of their squares is 106. The numbers are :
A. 3 and 5
B. 45 and 1
C. 5 and 9
D. 5 and 19
Q18. Two-third of a positive number and  of its reciprocal are equal.The number is :
A. 12/5
B. 25/144
C. 144/25
D. 5/12
Q19. The sum of three numbers is 264. if the first number be twice the second and third number be one-third of the first, then the second number is :
A. 72
B. 48
C. 54
D. 84
Q20. If one-third of one-fourth of a number is 15, then three-tenth of that number is :
A. 45
B. 35
C. 36
D. 54
