Q21. One-fifth of a number is equal to of another number. If 35 is added to the first number, it becomes four times of the second number. The second number is :
A. 40
B. 70
C. 25
D. 125
Q22. If 50 is subtracted from two-third of a number, the result is equal to sum of 40 and one-fourth of that number. What is the number ?
A. 174
B. 216
C. 246
D. 336
Q23. Twenty times a positive integer is less than its square by 96. What is the integer ?
A. 36
B. 20
C. 24
D. 30
Q24. If the sum of one-half and one-fifth of a number exceeds one-third of that number by the number is
A. 18
B. 30
C. 15
D. 20
Q25. The difference between two integers is 5. Their product is 500. Find the numbers.
A. 20, 25
B. 30, 25
C. 21, 26
D. 15, 20
Q26. If doubling a number and adding 20 to the result gives the same answer as multiplying the number by 8 and taking away 4 from the product, the number is :
A. 2
B. 4
C. 6
D. 3
Q27. If is added to a number and the sum multiplied by
and 3 is added to the product and then dividing the sum by
, the quotient becomes 25. What is the number ?
A. 9/2
B. 5/2
C. 7/2
D. 11/2
Q28. Thrice the square of a natural number decreased by 4 times the number is equal to 50 more than the number. The number is :
A. 5
B. 4
C. 6
D. 10
Q29. The product of two numbers is 120 and the sum of their squares is 289. The sum of the numbers is :
A. 169
B. 46
C. 23
D. 20
Q30. Two numbers differ by 5. If their product is 336, then the sum of the two numbers is :
A. 21
B. 51
C. 28
D. 37