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Aptitude Square Roots and Cube Roots Test Paper 311) The number which is not expressible as the square of any natural number is
Answer: D Explanation: We have 1369 = 372, 5041 = 712, 7056 = 842, 9852 = (99.2)2 All of the numbers are perfect square except the option D. 12) What is the smallest number to be subtracted from 549162 in order to make it a perfect square?
Answer: D Explanation:
Hence the smallest number to be subtracted is 81 to make the number a perfect square. 13) The smallest number which when multiplied to 3600 yields perfect cube is
Answer: B Explanation:
∴ 3600 = 2 × 2 × 2 × 2 × 5 × 5 × 3 × 3 = 23 × 2 × 52 × 32
∴ 3600 must be multiplied by 60 to make it perfect cube. 14) If 2*3 = √13 and 3*4 = 5, what is the value of 5*12?
Answer: D Explanation: From the above relation it is clear that 15) The value of
Answer: B Explanation:
Aptitude Square Roots and Cube Roots Test Paper 1 Aptitude Square Roots and Cube Roots Test Paper 2 Aptitude Square Roots and Cube Roots Test Paper 4 |
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