Actually it means 5 is what percent of 20, which can be calculated as,
(5/20)*100 = 5 * 5 = 25
2. Half of 1 percent written as decimal is
5
0.5
0.05
0.005
Answer: Option D
Explanation:
It will be 1/2(1%) = 1/2(1/100) = 1/200 = 0.005
3. 88% of 370 + 24% of 210 - x = 118
150
250
158
258
Answer: Option D
4. If number x is 10% less than another number y and y is 10% more than 125, then find out the value of x
123.55
123.65
123.75
123.85
Answer: Option C
5. Total number of boys and girls in a school is 150. If the number of boys is x, then girls become x% of the total number of students. The number of boys is
50
60
70
80
Answer: Option B
Explanation:
Clearly,
x% of 150 = 150 - x [as x is number of boys]
\begin{aligned}
=> x + \frac{x}{100} * 150 = 150 \\