Question

Laxmi and raju age is ratio 5:7 and sum of their ages is 120years find the age of laxmi

Answer 1

Answer:

The age of Laxmi = 50 years

Step-by-step explanation:

Given:

• Laxmi and Raju age is ratio 5:7

• Sum of their ages is 120 years

To find:

• The age of Laxmi

Solution:

Let,

The age of Laxmi = 5x

The age of Raju = 7x

According to question :

Sum of their ages is 120 years

⇒ 5x + 7x = 120

⇒ 12x = 120

⇒ x = 120 / 12

⇒ x = 10

⇒

★ Value of 5x:

⇒ 5 (10)

⇒ 5 × 10

⇒ 50

★ Value of 7x:

⇒ 7 (10)

⇒ 7 × 10

⇒ 70

Therefore,

The age of Laxmi = 50 years

★ Verification:

The age of Laxmi = 50 years

The age of Raju = 70 years

Sum of ages:

⇒ 50 + 70

⇒ 120 years

Answer 2

Given :

• Laxmi and Raju's age be 5x and 7x.
• Sum if their age is 120.

To find :

• Age of Laxmi.

According to the question,

➨ 5x + 7x = 120

➨ 12x = 120

➨ x = 120 ÷ 12

.°. x = 10

• Age of Laxmi is 5x = 5 × 10 = 50.

_______________....

Verification :

➨ 5x + 7x = 120

➨ 5 × 10 + 7 × 10 = 120

➨ 50 + 70 = 120

➨ 120 = 120

.°. L.H.S = R.H.S

Hence,Verified...