**Simplification Technique**

Example-1

- 7.1
- 3.5
- 0.7
- 2.4
- None of these

Solution

Hence, Ans is (e)

Example-2

- None of these

Solution

Hence, Ans is (a).

Example-3

(9)

^{3}Ã— (6) Ã· (3)^{3}= ?- 1012
- 984
- 972
- 984
- None of these

Solution

(9)

Hence, Ans is (e).

^{3}Ã— (6) Ã· (3)^{3}= ?Hence, Ans is (e).

Example-4

Solution

1st see the last digit i.e., 7.