1.  1 year ago promila was 4 times as old as her daughter sakshi.6 years hence promila's age will exceed her daughter's age by 9 years.The ratio of the present ages of promila and her daughter is ?


9:2
11:3
12:5
13:4


Answer

 Option

let the ages of promila and sakshi 1 year ago 4x and x years respectively. Then [(4x+1)+6] - [(x+1)+6] = 9 <=> 3x = 9 <=> x=3 Therefore required ratio = (4x+1) : (x+1) = 13:4

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2.  The present ages of three persons are in proportions 4:7:9. Eight years ago, the sum of their ages was 56. Find their present ages(in years)?


8,20,28
16,28,36
20,35,45
None of these


Answer

 Option

Let their present ages be 4x, 7x and 9x years respectively Then (4x - 8) + (7x -8) (9x -8) = 56 <=> 20x =80 <=> x =4 Their present ages are 16 years, 28 years and 36 years respectively.

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3.  The ratio of the ages of a man and his wife is 4:3 after 4 years this ratio will be 9:7. If at the time of marriage the ratio was 5:3 then how many years ago were they married?


8 years
10 years
12 years
15 years


Answer

 Option

Let the present ages of the man and his wife be 4x and 3x years respectively. Then, 4x+4/3x+4 = 9/7 <=> 7(4x+4)=9(3x+4) <=> x = 8 So their present ages are 32 years and 24 years respectively. Suppose they were married Z years ago Then 32-z/24-z = 5/3 <=> 3(32-z) = 5(24-z) <=> 2z = 24 <=> z = 12

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4.  A is 2 years older than B who is twice as old as C if the total of the ages of A,B and C be 27 then how old is B?


7
8
9
10


Answer

 Option

Let c's age be X years. Then B's age = 2x years. A's age = (2X+2) years Therefore (2X+2) + 2x+x = 27 <=> 5x=25 <=> x=5 Hence B's age = 2x = 10 years.

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5.   The sum of ages of family members (both children and parents) is 360 years.The total ages of children and parents are in the ratio 2:1 and the ages of wife and husband are in the ratio 5:7. what will be the age of husband?


65 years
72 years
70 years
75 years


Answer

 Option

Sum of ages is 360 years. The ratio of children and parents ratio ages is 2:1 Total age of parents is 360*1/3 = 120 years Ratio of wife and husband age is = 5:7 Therefore age of the husband is = 120*7/12 = 70 years Hence the husband of the age is = 70 years

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