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This mock test of Test: Ratio And Proportion- 1 for Quant helps you for every Quant entrance exam.
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QUESTION: 1

A and B together have Rs. 1210. If 4/15 of A's amount is equal to 2/5 of B's amount, how much amount does B have?

Solution:

QUESTION: 2

Two numbers are respectively 20% and 50% more than a third number. The ratio of the two numbers is:

Solution:

Let the third number be x.

Then, first number = 120% of

Second number = 150% of

∴ Ratio of first two numbers

QUESTION: 3

A sum of money is to be distributed among A, B, C, D in the proportion of 5 : 2 : 4 : 3. If C gets Rs. 1000 more than D, what is B's share?

Solution:

Let the shares of A, B, C and D be Rs. 5*x*, Rs. 2*x*, Rs. 4*x* and Rs. 3*x* respectively.

Then, 4*x* - 3*x* = 1000

⇒ *x* = 1000.

∴ B's share = Rs. 2*x* = Rs. (2 x 1000) = Rs. 2000.

QUESTION: 4

Seats for Mathematics, Physics and Biology in a school are in the ratio 5 : 7 : 8. There is a proposal to increase these seats by 40%, 50% and 75% respectively. What will be the ratio of increased seats?

Solution:

Originally, let the number of seats for Mathematics. Physics and Biology be 5x. 7x and 8x respectively.

Number of increased seats are (140% of 5x). (150% of 7x) and (175% of 8x).

QUESTION: 5

In a mixture 60 litres, the ratio of milk and water 2 : 1. If this ratio is to be 1 : 2, then the quanity of water to be further added is:

Solution:

Quantity of milk

Quantity of water in it = (60 - 40) litres = 20 litres.

New ratio = 1 : 2

Let quantity of water to be added further be x litres

Then, milk : water

∴ Quantity of water to be added = 60 litres.

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