Maths Class 5 Other

Asked by AKSHAY GURU VARADHARAJAN · SRI CHAITANYA TECHNO SCHOOL, JAYANTI NAGAR.

The sum of ages of father and son is x .If father is 40 years old, then what is the age of son?

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A x + 40 years
B x - 40 years
C x ÷40 years
D x × 40 years

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Answer: B. x - 40 years

The correct answer is B. x - 40 years.
Step 1: Total age = Father's age + Son's age = x.
Step 2: Substitute Father's age = 40 + Son's age = x.
Step 3: Subtract 40 from both sides: Son's age = x - 40.

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The sum of ages of father and son is x .If father is 40 years old, then what is the age of son?

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