Four years ago, Shyam's age was 3/4 times… | Answer

Subject

Quantitative Aptitude

Topic

Algebra

Four years ago, Shyam's age was 3/4 times of that of Ram. Four years hence, Shyam's age will be 5/6 times that of Ram. Find the present age of Shayam.
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ক)

16 years

খ)

32 years

গ)

18 years

ঘ)

22 years

ঙ)

None of these

Explanation

4 years ago, let Ram's age = x years and Shyam's age = 3x/4 years Now, Ram's present age = (x + 4) years And Shyam’s present age = {(3/4)x + 4} years Now, according to the question,

\frac{5}{6}\left( {x + 4 + 4} \right) = \left( {\frac{3}{4}x + 4 + 4} \right)

⇒ 4 (5x + 40) = 6(3x + 32) ⇒ 20x + 160 = 18x + 192 ⇒ 2x = 32 ⇒ x = 16 Hence, present age of Shyam = (3/4) × 16 + 4 = 16 years. Hence, the required answer is 16 years

\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

Four years ago, Shyam's age was 3/4 times of that of Ram. Four years hence, Shyam's age will be 5/6 times that of Ram. Find the present age of Shayam.Reading

Four years ago, Shyam's age was 3/4 times of that of Ram. Four years hence, Shyam's age will be 5/6 times that of Ram. Find the present age of Shayam.

Explanation

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Four years ago, Shyam's age was 3/4 times of that of Ram. Four years hence, Shyam's age will be 5/6 times that of Ram. Find the present age of Shayam.
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