1.

What percent is 120 of 90?

**Answer: Option 'C'**

**120/90 = 4/3
4/3 × 100 = 400/3 = 133 1/3 %**

2.

The population of a town increases 10% and 20% respectively in two consecutive years. After the growth the present population of the town is 13200. Then what is the population of the town 2 years ago?

**Answer: Option 'C'**

**Formula :
( After =100 denominator
Ago = 100 numerator)
13200 × 100/110 × 100/120 = 10000 **

3.

If 40% of a certain number is 120, then what is 90% of that number?

**Answer: Option 'D'**

**40% = 40 × 3 = 120
90% = 90 × 3 = 270**

4.

In an examination it is required to get 40% of minimum marks to pass. A student got 142 marks, Thus he got 22 marks more than minimum marks required to pass. What is total marks?

**Answer: Option 'C'**

**40 % ------> 120 ( 40 × 3 = 120 )
100 % ------> 300 ( 100 × 3 = 300 )**

5.

In a class 60% of students passed in telugu, 50% 0f students passde in english. Then every student Passed in either telugu or english or both the subjects and 120 members of students passed in both the subjects. How many number of students are their in the class?

**Answer: Option 'B'**

**only telugu passed = 50 %
only english passed = 40 %
both subjects passed student are 10 %,
Then,
10 % ------> 120
100 % ------> 1200students**

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