Directions (47-56) : What will come in place of the question mark {?} in the following questions? 

\(8^{2} \times 7^{2} \div \sqrt{196} - 143 = 3^{?} \)



A) 5

B) 6

C) 3

D) 4

E) 2

Correct answer:
D) 4

Description for Correct answer:
\( 8^{2} \times 7^{2} \div \sqrt{196}-143=3^{?} \)

\( 64 \times 49 \div \sqrt{196}-143=3^{?} \)

\( 224-143=3^{?} \)

\( 81=3^{?} \)

\( 3^{4}=3^{?} \)

\( ?=4 \)


Please provide the error details in above question