Simplification Quiz for upcoming Exams.

What will come in place of the question mark (?) in the following questions?

4572 × 195 − 765432 = ? + 65126
1 : 50432
2 : 55242
3 : 60982
4 : 71532
5 : None of these
Answer
3 : 60982



(14.2)²+ (16.4)² − (17.9)² = ? + 32.99
1 : 117.2
2 : 127.4
3 : 132.4
4 : 140.6
5 : None of these
Answer
1 : 117.2

(38/85) x (255/114) ÷ (19/5) + (14/19) = ?
1 : 7/14
2 : 17/15
3 : 1
4 : 8/15
5 : None of these
Answer
3 : 1

(5√7 + 2√7) (6√7 + 3√7)= ?
1 : 401
2 : 415
3 : 417
4 : 441
5 : None of these
Answer
4 : 441

√7921 x √5329 – (78)² = √? + (19)²
1 : 2604
2 : 2704
3 : 2764
4 : 2844
5 : None of these
Answer
2 : 2704

What approximate value should come in place of the question mark (?) in the following questions? (You are not expected to calculate the exact value.)

25.675% of 1321 + 64.328% of 4001= ___?__
1 : 2912
2 : 3016
3 : 3126
4 : 3254
5 : 3348
Answer
1 : 2912
5432.91 ÷ 2324.65 × 210.05 = ___?__
1 : 370
2 : 410
3 : 437
4 : 491
5 : 510
Answer
4 : 491
√7321 x 35.999 = ?
1 : 2980
2 : 3080
3 : 3180
4 : 3286
5 : 3470
Answer
2 : 3080
³√5826 + 456= ? ÷ 31.001
1 : 13740
2 : 15632
3 : 14690
4 : 17572
5 : 18174
Answer
3 : 14690
64.66 ÷ 11.31 × 5.25 = ___?__
1 : 30
2 : 35
3 : 39
4 : 42
5 : 45
Answer
1 : 30