Practice30 Create account

Arjun wants to compute $\frac{17}{13} \times (\frac{13}{17} \times 25)$ quickly.
Using the associative and inverse properties, what is the value?

Class 8Properties of Rational NumbersNumber System

A50
B23
C25
D27

Step-by-Step Solution

Regroup as

(\frac{17}{13} \times \frac{13}{17}) \times 25 = 1 \times 25 = 25

, since

\frac{17}{13}

and

\frac{13}{17}

are reciprocals.

Answer: C) 25

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 Properties of Rational Numbers practice questions

More Class 8 Properties of Rational Numbers practice

Meena finds a number whose reciprocal is greater than the number itself, and the number…A student says: 'The set of whole numbers does not have a multiplicative inverse for…Three rational numbers are a = 1/2, b = 2/3, c = 3/4. Verify whether a x (b x c) equals…Which statement about closure is TRUE for rational numbers? Consider addition,…Dev claims division is associative because (12 ÷ 4) ÷ 1 = 12 ÷ (4 ÷ 1). Test with a =…