A man is 3 years older than his wife and four times as old as his son. If the son becomes 15 years old after 3 years, the present age of his wife is : [#1127]
Q1. A man is 3 years older than his wife and four times as old as his son. If the son becomes 15 years old after 3 years, the present age of his wife is : Q1. A man is 3 years older than his wife and four times as old as his son. If the son becomes 15 years old after 3 years, the present age of his wife is :
(A) 60 years (A) 60 years
(B) 51 years (B) 51 years
(C) 48 years (C) 48 years
(D) 45 years (D) 45 years
Answer: (D) 45 years Answer: (D) 45 years
The son becomes 15 years old after 3 years.
Hence son's present age = 15 years - 3 years = 12 years
Man is four times as old as his son.
Hence Man's present age = 12 years * 4 = 48 years
Man is 3 years older than his wife.
Hence present age of his wife = 48 years - 3 years = 45 years.The son becomes 15 years old after 3 years.
Hence son's present age = 15 years - 3 years = 12 years
Man is four times as old as his son.
Hence Man's present age = 12 years * 4 = 48 years
Man is 3 years older than his wife.
Hence present age of his wife = 48 years - 3 years = 45 years.
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Q2. The difference of two numbers is 5 and the difference of their square is 135. Then the sum of the numbers is Q2. The difference of two numbers is 5 and the difference of their square is 135. Then the sum of the numbers is
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Q3. What is the term for a number that has no decimal places or fractional part? Q3. What is the term for a number that has no decimal places or fractional part?
(A) Integer (A) Integer
(B) Fraction (B) Fraction
(C) Decimal (C) Decimal
(D) Percentage (D) Percentage
Answer: (A) Integer Answer: (A) Integer
An integer is a whole number, either positive, negative, or zero, without a decimal or fractional part, such as 5, -3, or 0.An integer is a whole number, either positive, negative, or zero, without a decimal or fractional part, such as 5, -3, or 0.
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Q5. A 100 metre long train moving in a uniform speed of 20 m/sec crosses a bridge of length 1 km. The time taken by the train to cross the bridge is Q5. A 100 metre long train moving in a uniform speed of 20 m/sec crosses a bridge of length 1 km. The time taken by the train to cross the bridge is
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Q7. A number is as much greater than 22 as is less than 72. Then the number is Q7. A number is as much greater than 22 as is less than 72. Then the number is
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Q8. If the sum of five consecutive numbers is 190, then the lowest number amongst them is Q8. If the sum of five consecutive numbers is 190, then the lowest number amongst them is
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Q9. 98 toffees were distributed to some boys in a group. Each boy in the group got twice as many of the toffees as the number of boys. The number of boys in the group was Q9. 98 toffees were distributed to some boys in a group. Each boy in the group got twice as many of the toffees as the number of boys. The number of boys in the group was
(A) 5 (A) 5
(B) 7 (B) 7
(C) 10 (C) 10
(D) 14 (D) 14
Answer: (B) 7 Answer: (B) 7
7
=> x * 2x = 98
=> x2 =
=> x2 = 49
=> x = 77
=> x * 2x = 98
=> x2 =
=> x2 = 49
=> x = 7
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Q10. The sum of 5 consecutive odd numbers is found to be 95. The largest of the numbers is Q10. The sum of 5 consecutive odd numbers is found to be 95. The largest of the numbers is
