Self Studies

Ratio and Propo...

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  • Question 1
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    If three numbers in the ratio 6 : 4: 10 be such that the sum of their squares is 1862, the middle number will be

  • Question 2
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    In a school the total number of students are 3200 out of which 1800 are boys. Remaining are girls. Ratio of girls to boys is

  • Question 3
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    Rs. 120 are divided among Amit, Bittu and Cheery such that Amit's share is Rs. 20 more than Bittu's and Rs. 20 less than Cherry's. What is Bittu's share

  • Question 4
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    If 3 : 9 :: x : 9, then find the value of x

  • Question 5
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    The sum of three numbers is 147. If the ratio of the first to the second is 2:3 and that of the second to the third is 5:8, then the second number is

  • Question 6
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    If two numbers are in the ratio 12:26 and their L.C.M is 312, find thesmaller  numbers.

  • Question 7
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    A and B together have Rs. 1210. If 8/30 of A's amount is equal to 4/10 of B's amount. How much amount B have.

  • Question 8
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    If x : y = 3 : 5, find the ratio 3x + 4y : 8x + 5y

  • Question 9
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    What should be added to each term of the ratio 21:39 so that the ratio becomes 2: 3

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