RRB NTPC · Question 76
If \(\rm \sqrt{1225 \times \sqrt{32 \div x}}= 70 \) then find the value of x.
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Answer: (D) 2
Explanation
Squaring: 1225 × √(32/x) = 4900, so √(32/x) = 4 and 32/x = 16. x = 2.
Railways PYQCBT 1 2020
RRB NTPC · Question 76
Answer: (D) 2
Squaring: 1225 × √(32/x) = 4900, so √(32/x) = 4 and 32/x = 16. x = 2.