NTPC CBT- 2 MOST PROBABLE -PERSENTAGE QUIZ-9

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Question 1:

In an examination, 52% of the candidate failed in English and 42% failed in Mathematics. If 17% failed in both the subjects, then the percentage of candidates, who passed in both the subjects was:

Question 2:

An army lost 10% of its men in war, 10% of the remaining died due to disease and 10% of the rest were declared disabled. Thus the strength of the army was reduced to 7,29,000 as active men. The original strength of the army was:

Question 3:

A village lost 12% of its goats in a flood and 5% of remainder died from diseases. If the number left now is 8360. What was the original number before the flood?

Question 4:

In a constituency, 55% of the total number of voters is males and the rest are females. If 40% of the males are illiterate and 40% of the females are literate, then by what percent is the number of literate males more than that of illiterate females?

Question 5:

A man’s annual income has increased by Rs.5 lakhs but the tax on income that he has to pay has reduced from 12% to 10%. He now pays Rs.10,000 more income tax. What is his increased income (in Rs. Lakhs)?

Question 6:

If the price of petrol increases by 19% and Sunitha intends to spend only an additional 12% on petrol, by what percent should she reduce the quantity of petrol purchased? (nearest to an integer)

Question 7:

In an examination, A obtained 10% more marks than B, B obtained 20% more marks than C and C obtained 32% less marks than D. If A obtained 272 more marks than C, then the marks obtained by B is:

Question 8:

The monthly salary of a person was Rs. 50,000. He used to spend on three headspersonal and family expenses, taxes, philanthropy, and rest were his savings. Expense was 50% of the income, tax was 20% of expense and philanthropy was 15% of taxes. When his salary got raised by 40%, he maintained the percentage level of expense, but tax became 30% of expense and philanthropy became 20% of tax. By what percentage is the new savings more or less than the earlier savings?

Question 9:

The total numbers of males and females in a town is 70,000. If the numbers of males is increased by 6% and that of the females is increased by 4%, then the total numbers of males and females in the town would become 73520. What is the difference between the numbers of males and females in the town, in the beginning?

Question 10:

If the length of a rectangle is increased by 18% and the breadth of the rectangle is decreased by 12%, then percentage change in the area of the rectangle will be:

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