Practice30 Create account

The cards show the ages of Dadaji and his grandson Rohan. By how many years is Dadaji older than Rohan?

Class 7Adding and Subtracting ExpressionsAlgebra

A $(4 y + 8)$ years
B $(4 y + 16)$ years
C $(6 y + 8)$ years
D $16 y$ years

Step-by-Step Solution

Difference

= (5 y + 12) - (y - 4) = 5 y + 12 - y + 4 = 4 y + 16

. Writing

- (- 4)

as

- 4

gives

4 y + 8

; adding the ages gives

6 y + 8

.

Answer: B)

(4 y + 16)

years

Master this chapter in 30 minutes a day.

Don't just memorise the answer — build a daily practice habit.

Practice 5 Similar Questions Free →

All Adding and Subtracting Expressions practice questions

More Class 7 Adding and Subtracting Expressions practice

Imran pays the bill at Gupta Kirana with the ₹500 note shown. Which expression gives the…Two pieces are cut off a rope that is (12r + 9) m long, as shown. Which expression gives…The tray shows an expression in algebra tiles (see the key). Ravi takes away x² + 5x + 2…The machine adds one expression to whatever goes in. Which expression must it add so…The perimeter of a triangle is the sum of its sides. A triangular park in Chennai has…