0
Q:

In a class of 50 students, 60% are boys. The average of marks of the boys is 62, and that of the girls is 68. What is the average marks of the whole class?

 

A) 64.8 B) 64.4
C) 65.2 D) 64.6

Answer:   B) 64.4



Explanation:
Q:

A number is decreased by 30%, then increased by 30%, then further increased by 30%. What is the net increase/decrease percent in the number (correct to the nearest integer)?

 

A) 19% decrease B) 19% increase
C) 18% increase D) 18% decrease
 
Answer & Explanation Answer: C) 18% increase

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0 122
Q:

A number is increased by 30%, then decreased by 30%, then further decreased by 30%. What is the net increase/decrease percent in the number(correct to the nearest integer)?

 

A) 36% decrease B) 36% increase
C) 40% increase D) 40% decrease
 
Answer & Explanation Answer: A) 36% decrease

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1 143
Q:

A man bought 2 articles for ₹4158 each. He sold one article at 15% loss. Then at what percent profit the other article should be sold so that no profit/loss percentage is earned.

 

A) 15% B) 10%
C) 12% D) 18%
 
Answer & Explanation Answer: A) 15%

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1 988
Q:

Two students, A and B, appeared for an examination. A secured 8 marks more than B and the marks of the former was 55% of the sum of their marks. The marks obtained by A and B, respectively, are:

 

A) 44, 36 B) 40, 32
C) 36, 28 D) 38, 30
 
Answer & Explanation Answer: A) 44, 36

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6 524
Q:

If each side of a rectangle is increased by 22%, then its area will increase by:

 

A) 48.84% B) 50%
C) 44% D) 46.65%
 
Answer & Explanation Answer: A) 48.84%

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2 9908
Q:

Two students, A and B, appeared for an examination. A secured 8 marks more than B and the marks of the former was 55% of the sum of their marks. The sum of the marks obtained by A and B is:

 

A) 75 B) 100
C) 90 D) 80
 
Answer & Explanation Answer: D) 80

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2 404
Q:

The sum of salaries of A and B is ₹43000. A spends 95% of his salary and B spends 80% of his salary. If their savings are the same, what is A’s salary (in ₹)?

 

A) 8000 B) 34400
C) 10600 D) 35000
 
Answer & Explanation Answer: B) 34400

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2 2847
Q:

Two students, A and B, appeared for an examination. A secured 8 marks more than B and the marks of the former was 60% of the sum of their marks. The sum of the marks obtained by A and B is:

 

A) 75 B) 45
C) 40 D) 50
 
Answer & Explanation Answer: C) 40

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3 431