How to find the cube root of 1157.625 as per the question no. 88 in the selected 100 questions ? Multuplying it with 1000 then finding cube root will take lot of time if such question comes in the exam ,will kill our time can u suggest an easy method ? Can we expect such questions in the exam ?

      1157.6253=115762510003=3×3×3×5×5×5×7×7×72×2×2×5×5×53=3×5×72×5=10510=10.5

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