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Ratio & proportion || 17.05.2021

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Question 1

A’s income is 25% less then B’s income and C’s income is 20% less than B’s income. If difference between A’s and C’s income is ₹200, then what is B’s income?

Question 2

Suman’s income is 75% of Baman income and Suman’s expenditure is 60% of Baman’s expenditure. If Suman’s income is 80% of Baman’s expenditure. Find the ratio of suman’s saving to Baman’s saving:

Question 3

When x is subtracted from each of 21, 22, 60 and 64, the number so obtained in this order, are in proportion. What is the mean proportional between (x+1) and (7x + 8)?

Question 4

If b is the geometric mean of a and c, then find the value of  

Question 5

If 5A = 13B = 7C, then A : B : C is

Question 6

The price of Honda Activa and Mahindra Duo are in the ratio of 7: 11. If the Mahindra Duo costs 11200 more than Honda Activa, then find the price pf Mahindra Duo.

Question 7

A boy has a few coins of denominations 50 paise, 25 paise and 10 paise in the ratio 1 : 2 : 3. If the total amount of the coins is Rs.6.50, the number of 10 paise coins is

Question 8

Three numbers are in the ratio 2:3:4. If the sum of their squares is 1856, then the numbers are

Question 9

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 10

A car consumes 5.4 liters of petrol to cover 60.48 km, how many kilometers be covered with 22 liters of petrol?
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