Percentage
1.
If 20% of x = 90, find x ?
Answer: Option B

Explanation: 20% of x = 90
= X x 20 / 100 = 90
x = 90 x 5 = 450

2.
50 kg is what percent of 250 kg ?
Answer: Option D

Explanation: Required percentage = 50 / 250 x 100%
= 20%

3.
In a company there are 724 employees. 25% employees left the job. Find the number of rest of employees.?
Answer: Option A

Explanation: Number of employees leaving job
= 25% of 724
= 1 / 4 x 724 = 181
Number of rest of the employees
= 724 – 181 = 543

4.
89% of? + 365 = 1075.22 ?
Answer: Option A

Explanation: 89% of? + 365 = 1075.22
89 / 100 x? = 1075.22 – 365
? = 71022 / 89 = 798

5.
In a zoo, there are 1200 animals. But because of certain reason, 300 animal died. Find the percentage of died animal.?
Answer: Option C

Explanation: We know that if all the given number are multiplied by a particular number,
Than their average is also multiplied by the same number.
Hence, the new average = 50 x 2 = 100.

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