[PP Sub Inspector 17 Aug 2021]
6. 12.5% of a number is 64. What is the number?
5.12
500
800
512
7. The simple interest on a sum of money is of the sum. If the number of years is numerically equal to one fourth of the square of rate, then the rate percentage p.a. is:
40 %
4 %
32 %
8 %
8. Simplified value of the expression 5 + 5 of 5 ÷ 5 - \(13 \over 5\) is :
\(63 \over 5\)
\(17 \over 5\)
\(37 \over 5\)
9. Find the value of 25 ÷ 5 × 14 - 22 + 9.
38
37
57
36
10. A shopkeeper bought X bananas for Rs. Y and sold Y bananas for Rs. X. If Y > X, then find whether he made a profit or incurred a loss and also find the value.
Loss \(\left (y^2-x^2\over y^2 \right)\)%
Profit \(\left (x^2-y^2\over x^2 \right)\)%
Loss \(\left (x^2-y^2\over x^2 \right)\)%
Profit \(\left (y^2-x^2\over y^2 \right)\)%