Quant Quiz- SImplification

Directions (Q.1-5): What will come in place of question mark (?) in the following questions?

1. (42)^2 - (38)^2  - (17)^2= ? / 0.1
1)4.1
2)3.1
3)5.1
4)6.1
5) None of these


2. 702 ÷ 27 + 108 x 0.75 = ?
1)79
2)89
3)98
4)107
5)99

3. 348 x 9 x ? = 37584
1) 11
2) 12
3) 14
4) 16
5) None of these

4. 1234.131-93.12 -431.1 -?= 8.432
1) 411.072
2) 369.497
3) 701.479
4) 356.479
5) 405.521

5. (54% of 3845) - (36% of 2755) = ?
1) 1340.65
2) 1284.5
3) 1084.5
4) 1410.75
5) 1348.5

Answers

1. 2

2. 4

3. 2

4. 3

5. 3