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RATIO, PROPORTION AND VARIATION
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PEARSON IIT JEE FOUNDATION-RATIO, PROPORTION AND VARIATION-TEST YOUR CONCEPTS
- If a : b : : b : c, then express b in terms of a and c.
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- The mean proportional to 4 and 9 is 6. is it true or false?
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- The numbers 3, 6, 8, 12 are in proportion. Is it true r false?
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- if (a)/(b)=(c)/(d)=(e)/(f)=(1)/(3), then (5a+3c+7e)/(5b+3d+7f)=
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- Find x if 2, 7, 5 (x/2) are in proportion.
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- Find the mean proportional of 16 and 4.
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- If 7:15=56:x, then what is the value of x?
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- Find the fourth proportional to 72, 168, and 150.
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- If the cost of 15 books is Rs. 90, then what is the cost of one book?
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- When x = 2, 7, 11, …, y = 8, 28, 44, …, then x and y are in .
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- When x and y are in indirect proportion and if y doubles, then x becom...
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- Eight men can do a certain amount o work in 3 days. Sixteen men can do...
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- The ratio obrtained when 9:11 is written with its consequent equal to ...
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- A and B share some marbles in the ratio 4 : 5. If B gets 10 marbles mo...
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- A and B share some marbles in the ratio 4 : 5. If B gets 10 marbles mo...
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- If A : B = 3 : 4 and B : C = 12 : 13, then find A : C.
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- If x, 20, 30, and 60 are in proportion, then what is the value of x?
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- The sub-duplicate ratio of 64 : 81 is .
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- If x : y = 5 : 7, then find (3x+4y):(x+2y).
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- If 40 men complete a piece of work in 5 days, then 80 men can complet...
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