Question

Mr. Sohanlal is 4 times as old as his son. Four years later the sum of their ages will be 43 years. The present age of son is ?5 years 7 years 8 years 10 years

Answer 1

$\blue{ \Large \underline{ \mathfrak{Question : }}} \\ \\ \sf Mr. \: Sohanlal \: is \: 4 \: times \: as \: old \: as \: his \\ \sf son. \: Four \: years \: later \: the \: sum \: of \: their \\ \sf ages \: will \: be \: 43 \: years. \: The \: present \: age \\ \sf of \: son \: is \: ? \\ \\ \sf A. \: 5 \: years \\ \sf B. \: 7 \: years \\ \sf C.\: 8 \: years \\ \sf D. \: 10 \: years \\ \\ \blue{ \Large \underline{ \mathfrak{Answer : }}} \\ \\ \underline{\sf Correct \: Option : B} \\\\ \textsf{Let the son's present age be x years.} \\ \sf Then, (x + 4) + (4x + 4) = 43 \\ \sf ⇒ 5x = 35 \\ \sf ∴ x = 7$

Answer 2

Answer:

7

Step-by-step explanation:

Let the son's age be x years

Then, (x+4)+(4x+4)=43

or 5x=35

or x=7