Square Roots and Cube Roots mcqs test 01By admin / 09/11/2019 Please enter your email: 1. The cube root of .000216 is: .006 .06 6 6.001 2. What is the smallest number to be subtracted from 549162 in order to make it a perfect square: 89 81 77 70 3. Which one t the following numbers has rational square root? 0.4 0.9 9 0.09 4. The least perfect square, which is divisible by each of 21, 36 and 66 is: 231442 213444 2134400 421443 5. The greatest four digit perfect square number is: 9700 1000 9801 9000 6. Find the square root of 1471369: 1213 1218 1200 1320 7. The least perfect square number divisible by 3, 4, 5, 6 and 8 is: 3300 3900 3600 3200 8. Find the smallest number that must be added to 1780 to make it a perfect square: 42 62 69 77 9. What is the square root of 0.16? 0.4 0.5 0.6 0.7 10. By what least number 4320 be multiplied to obtain a number which is a perfect cube? 40 75 60 50 11. By what least number 675 be multiplied to obtain a number which is a perfect cube? 2 9 5 7 12. Find the value of /““1–9/16 ? 1-7/8 1-2/7 2/4 1-1/4 13. Find the cube root of 2744: 21 19 16 14 14. The largest four digit number which is a perfect cube is: 9261 10000 8000 9310 15. A man plants 15376 apple trees in his garden and arranges them so that there are as many rows as there are apples trees in each in each row. The number of rows is: 133 124 130 128 16. The square root of 64009 is: 257 259 253 262 17. What is the smallest number by which 3600 be divided to make it a perfect cube? 400 450 500 350 18. The least number by which 1470 must be divided to get a number which is a perfect square is: 30 5 35 6 19. The least number of 4 digit which is perfect square, is: 1036 1000 1024 1015 20. What is the square root of 0.0009? 0.07 0.04 0.03 0.05 21. Find the greatest number of five digits which is a perfect square? 98998 99856 99805 98857 22. The smallest number added to 680621 to make the sum a perfect square is: 4 10 6 8 23. The least number by which 294 must be multiplied to make it perfect square, is: 2 6 7 9 24. The square root of (272- 128 ) is: 210 230 240 250 25. Find the value of /““0.289/0.00121 150/9 158/11 175/11 170/11 26. /“`50 x /“`98 is equal to: 50 80 75 70 27. Evaluate /6084 by factorization method? 73 74 72 78 28. The digit in the units place in the square root of 15876 is: 4 8 2 6 29. Find the smallest number by which 5808 should be multiplied so that the product becomes à perfect Square: 2 3 7 5 30. Find the least square number which is exactly divisible by 10, 12, 15 and 18: 920 980 935 900 Loading …