A person is 30 years older than his son . After 6 years , the age of that person is four times the age of son that time. What is age of his son after 10 years from now ?
14 years
16 years
18 years
18 years
14.5 years
Option A Let the age of his son = x age of person = x + 30 after 6 years , 4 (x + 6) = x + 30 + 6 3x = 12 x = 4 age of son after 10 years = 10 + 4 = 14 years
The sum of age of A and B is 38 years. After 8 years the age of B is 2 years more than A. What is the age of B before 5 years ?
13 years
14 years
15 years
20 years
18 years
Option C Let the age of A = x years age of B = (38 – x) years after 8 years, (38 – x + 8) – (x + 8) = 2 x = 18 age of B before 5 years = 38 – x – 5 = 15 years
The age of B is 8 years more than A, the age of C is 11 years less than B and the age of A is 5 years less than D. If the sum of age of A , B ,C and D is 70 years, then find the sum of age of A and B after 2 years ?
40 years
15 years
45 years
38 years
23 years
Option D Let the age of D = x years the age of A = (x – 5) years the age of B = ( x – 5 + 8 ) = x + 3 years the age of C = (x + 3 – 11) = x – 8 years total sum of age of A , B ,C and D = 70 x + ( x – 5) + (x +3) + (x -8) = 70 4x – 10 = 70 x = 20 years The age of A = 20 – 5 = 15 years The age of B = 20 + 3 = 23 years sum = 15 + 23 = 38 years
The age of son is one-third of his father. If after 5 years the age of father and son becomes 5 : 2, then find the sum of age of father and son.
50 years
60 years
55 years
45 years
46 years
Option B Let the age of father = 3x the age of son = x after 5 years, 3x + 5/x + 5 = 5/2 6x + 10 = 5x + 25 x = 25 sum = 3x + x = 4x = 4 * 15 = 60 years
The average present age of A , B and C is 30 years and the ratio between the present age of A and C is 4 : 5. If the age of B is 8 years less than the age of C, then what is age of B after 2 years ?
26 years
29 years
23 years
25 years
30 years
Option B Let the A and C 4x and 5x respectively the age of B = 5x – 8 total age of A , B and C = 30 * 3 = 90 years 4x + 5x + 5x – 8 = 90 14x = 98 x = 7 the age of B after 2 years = (5x – 8) + 2 = 29 years
The sum of present age of A , B and C is 52 years and the age of A is 3/5th of age of B. If after 11 years the age of B is equal to the three times the present age of C, then find present of C ?
26 years
28 years
30 years
14 years
25 years
Option E Let the present age of B = 5x the age of A = 3x Let the present of C = y years 5x + 11 = 3y y = 5x + 11/3 3x + 5x + (5x + 11)/3 = 52 9x + 15 x + 5x + 11 = 156 29x = 145 x = 5 the present age of B = 5 * 5 = 25 years
10 years ago P was half of Q in age . At present the ratio of their ages is 3 : 4. Find the sum of their ages after 3 years.
46 years
35 years
62 years
41 years
52 years
Option D 10 years ago , let the age of Q = 2x and the age of P = x at present , the age of P = x + 10 the age of Q = 2x + 10 x + 10/2x + 10 = 3/4 6x + 30 = 4x + 40 2x = 10 x = 5 sum of their ages after 3 years = 2x + 13 + x + 13 = 23 + 18 = 41 years
The age of father is 40% more then his son. After 5 years the age of father is 16 years more than the age of son. Find the present age of father.
45
56
42
58
56
Option E Let age of son = 5x and father age = 5x * 140/100 = 7x after 5 years, (7x + 5) – (5x + 5) = 16 2x = 16 x = 8 the age of father = 7x = 7 * 8 = 56 years
The difference between the present age of A and B is 20 years. After 3 years their ages are in the ratio 9 : 19. Find the present age of B.
40 years
35 years
26 years
14 years
46 years
Option B Let present age of A = x years present age of B = x + 20 years after 3 years, the age of A = x + 3 the age of B = x + 23 x + 3 / x + 23 = 9/19 19x + 57 = 9x + 207 10x = 150 x = 15 the age of B = 15 + 20 = 35 years
The present age of father is 5 times that of his son. After 4 years he will be 4 times that of his son. Find the age of father 3 years ago.
34 years
56 years
42 years
57 years
48 years
Option D Let the age of son = x years the age of father = 5x years After 4 years, the age of son = x + 4 the age of father = 5x + 4 4 (x + 4) = 5x + 4 4x + 16 = 5x + 4 x = 12 years the age of father 3 years ago = 5 * 12 – 3 = 57 years
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page layout of your blog? Its very well written; I love what youve got to say.
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