Cubes and Cube Roots
Test
Maximum marks- 24
Maximum time- 35 minutes
1. Is 343 or 243 a perfect cube? (2)
2. Find the cube root of 8000. (2)
3. Find the cube root of 13824. (2)
4. Is 292 a perfect cube? If not find the smallest natural number by which it must be multiplied so
that the product is a perfect cube. (4)
5. Show that 1728 is a perfect cube. (2)
6. What is the number whose cube is 216? (2)
7. Find the smallest number by which 68600 must be multiplied to get a perfect cube. (3)
8. Which smallest natural number should divide 1188 so that the quotient is a perfect cube? (3)
9. Is the cube of 4913 an odd number? Why? (2)
10. Is the cube of 132651 an even number? Why? (2)