Question

4- Thrice a number increased by 6 equal 39. Find the number.

5- Three-fourths of a number exceed its one-third by 15. Find the number.

6- A number when divided by 4 is reduced by 21. Find the number.

[Hint. Let the required number be x then x/4=(x-21)]

7- A number is as much greater than 36 as is less than 86. Find the number.

[Hint. Let the required number x. Then x-36 =86-.]

8- A number exceeds it’s four-sevenths by 18. Find the number.

9- A number exceed 20% of itself by 40. Find the number.

10- If 10 be added to four times a certain number, the result is 5 less than five time. Find the number.

Answer 1

ANS 4 
3x + 6 = 39
3x = 39 -6 = 33
x = 33 / 3 = 11