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# Ratio & Proportion || 14.03.2021

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Question 1

By adding 3 and 5 in numerator and denominator of a fraction it becomes . If 1 and 3 are subtracted and added from numerator and denominator respectively it becomes , find the fraction.

Question 2

Three categories of employees get wages in the ratio of 1 : 2 : 3. If they get increments of 5%, 10% and 15% respectively, what will be the new ratio of their wages?

Question 3

When x is the added to each of 9, 15, 21 and 31, the numbers so obtained are in proportion. What is the mean proportional between the numbers (3x – 2) and (5x + 4)?

Question 4

The monthly incomes of husband and wife are in the ratio 5:4, while their expenses are in the ratio 5:6. If husband saves Rs. 4500 per month and wife saves Rs. 1500 per month, what are their respective incomes?

Question 5

A child has three different kinds of chocolates costing Rs. 2, Rs. 5 and Rs. 10. He spends total Rs. 120 on the chocolates. What is the minimum possible number of chocolates, he can buy, if there must be at least one chocolate of each kind?

Question 6

If , , then (x+y):(z-y) is:

Question 7

In an office where there are male and female workers, there are 40% male employees. Overall there are 70% employees who are literate. If 30% of the male employees are illiterate, then find the percentage of female employees who are literate.

Question 8

Rs. 2560 was divided among A, B and C in a ratio of 4:9:3 respectively. B alone got how much more than A and C together?

Question 9

If A's wealth is 5/9 times of B's wealth and C's wealth is 8/5 times of B's wealth, what is the ratio of C's wealth to A's wealth?

Question 10

The ratio of the number of men and women in a factory is 14 19. If the total number of employees in the factory is 2145, then the number of women in the factory is:
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