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# Mathematics quiz on Ratio Proportion and Interest (31-07-2020)

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Question 1

Two numbers are respectively 60% and 20% more than a third number. The ratio of the two numbers is:

Question 2

The ratio of boys and girls in a class of University is 3: 4. If 30 boys leave the class and 30 girls join the class, the ratio becomes 2 : 3. The number of boys in the class is.

Question 3

If of B and of C, then A : B : C is.

Question 4

Directions: Answer the following questions by selecting the most appropriate option.
A sum of money is to be distributed among A, B, C, D in the proportion of 3 : 2 : 5 : 8. If D gets Rs. 1500 more than A, what is B's share?

Question 5

If a:b = 5:6 and b:c = 9:5, then a:c =

Question 6

Directions: Answer the following questions by selecting the most appropriate option.
A sum of Rs. 12,500 amounts to Rs. 15,500 in 4 years at the rate of simple interest. What is the rate of interest?

Question 7

A sum of money becomes  of itself in 2 years at a certain rate of simple interest. Find the rate per annum:

Question 8

If the simple interest and compound interest on a certain sum of money by the end of second year are Rs 800 and Rs 848 respectively then find the rate per annum and the principal.

Question 9

A sum of Rs 14,500 will become how much in  years at 8 % per annum if the interest is compounded half yearly?

Question 10

The income of a business man is Rs. 14,00,000 in the year 2014, then find its income in the year 2012. If the income of a company increases 10% per year.
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