Father’s present age is 50 yrs. His age w… | Answer

Subject

Quantitative Aptitude

Topic

Algebra

Father’s present age is 50 yrs. His age was equal to his son’s present age at the time of the son’s birth. What was son’s age 10 yrs. ago?
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ক)

খ)

গ)

ঘ)

ঙ)

None of these

Explanation

Let the son’s present age be x years. From the given data, it is known that Father’s age at the time of son’s birth = Son’s present age ∴ 50 – x =x ⇒ 50 = 2x ⇒ x = 25 ∴ son’s age 10 yrs ago = (25 - 10) = 15 yrs.

\frac{a}{3} = \frac{b}{4} = \frac{c}{7}

then what would be the value of

\frac{{a + b + c}}{a}

?Multiplication and difference of two numbers are 93 and 28 respectively. Find the difference of reciprocals of the numbers.if

{P^2} + {1 \over {{P^2}}} = 7

, then find the value of

{P^2} - {1 \over {{P^2}}}.

In following question, two equations are given, you have to solve them and choose the correct option: x2– 3x – 4 = 0, y2– 4 = 0 In following question, two equations are given, you have to solve them and chose the correct option: x2+ 11x + 30 = 0, y2+ 7y + 12 = 0 In the following question, one or two equation(s) is/are given. You have to solve both the equations and find the relation between ‘l’ and ‘m’ and mark correct answer. I. (125)1/3l – (1331)1/3= 4 × (729)1/6+ (1024)1/10II. (m)2– (15625)1/3= 0 Direction: In the following question two equations numbered I and II are given. You have to solve both the equations and give answers:I: x - √121 = 0 II: y2- 121 = 0 The number of solutions of x2+ 4|x| + 5 = 0 is

Father’s present age is 50 yrs. His age was equal to his son’s present age at the time of the son’s birth. What was son’s age 10 yrs. ago?Reading

Father’s present age is 50 yrs. His age was equal to his son’s present age at the time of the son’s birth. What was son’s age 10 yrs. ago?

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Father’s present age is 50 yrs. His age was equal to his son’s present age at the time of the son’s birth. What was son’s age 10 yrs. ago?
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