Question 98

Simplify:
$$((7^2)^3 \div 49^2) \times ([32 - 20] \div 4)$$

Solution

Expression : $$((7^2)^3 \div 49^2) \times ([32 - 20] \div 4)$$

= $$7^{(6-4)}\times\frac{12}{4}$$

= $$49\times3=147$$

=> Ans - (D)

Share on Whatsapp Share on Whatsapp

Create a FREE account and get:

Download RRB Study Material PDF
45+ RRB previous papers with solutions PDF
300+ Online RRB Tests for Free

Follow us on

Boost your Prep!

Download App