the son's age is one- third that of his father. five years ago father's age was four times as old has his son. find their present age
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A man travels 108 km and find he could have made the journey in 4 hours less, had he travelled 2 km an
hour faster, at what rate did he travel?
43. The sum of two numbers is 45 and their ratio is 7: 8. Find the numbers.
44. Find a number such that one-fifth of it is less than one-fourth of it by 3.
45. Find a number such that if 19 be added to it, the sum is 12 less than double the number.
46. Divide 36 in four parts, that if 2 be added to the first part, 2 be subtracted from the second part, the third be
multiplied by 2 and fourth be divided by 2, the result in all the cases be equal.
47. The ratio of the present ages of A and B is 5 : 6. The ratio of their ages five years before was 4 : 5. Find their
present ages.
48. The age of the father is thrice the sum of ages of his three children. After 3 years his age will be only double
of the sum of ages of his three children. Find the present age of the father.
49. Among three consecutive positive even numbers, the sum of of the first and half of the second is 11 less
than the third number. Find those three numbers.
50. The numerator of a rational number is less than its denominator by 3. If the numerator becomes three times and
the denominator is increased by 20, the new number becomes. Find the original number.
51. The sum of two numbers is 100. If the fifth part of one is two more than the fourth part of the other, then find
both the numbers.
52. A man says to his son, "Seven years ago I was seven times as old as you were, and three years hence I shall
be three times as old as you." Find their ages.
53. The ratio of the income of two persons is 9 : 7, and the ratio of their expenditure is 4: 3. Each of them saves
200 yearly. Find their yearly income.
54. A fruit vendor buys some oranges at the rate of 5 per orange. He also buys an equal number of bananas at the
rate of * 2 per banana. He makes a 20% profit on oranges and a 15% profit on bananas. At the end of the day,
all the fruit is sold out. His total profit is * 390. Find the number of oranges purchased.
55. A lady has a total of 850 in coins of denomination *1,* 2 and 5. The number of 2 coins is 5 times the
number of 5 coins. The total number of coins is 400. How many coins of each denomination are with her?
56. The numerator of a rational number is 7 less than the denominator. If the denominator is increased by 9 and the
came rational number Find the number
th