Quant Quiz

Directions (Q. 1-5): In each of these questions a number series is given. What value will come in place of the question mark (?) in the following series?

1. 0.5 ? 1.5 4.5 13 38.75
1) 0.5
2) 0.75
3) 1
4) 1.5
5) None of these

2. 13 18 22 25 27 28 ?
1) 30
2) 28
3) 32
4) 33
5) None of these

3. 2 10 30 68 130 222 ?
1) 280
2) 290
3) 320
4) 350
5) None of these

4. 11 24 16 38 27 64 ?
1) 34
2) 38
3) 44
4) 36
5) None of these

5. 821 460 749 580 701 652 ?
1) 668
2) 677
3) 766
4) 686
5) None of these


Answers:


1. 1; (.5 + .5) × .5 = .5
(0.5 + 1) × 1 = 1.5
(1.5 + 1.5) × 1.5 = 4.5
(4.5 + 2) × 2 = 13
(13 + 2.5 ) × 2.5 = 387.5

2. 2; 2 × 6.5 = 13
3 × 6 = 18
4 × 5.5 = 22
5 × 5 = 25
6 × 4.5 = 27
7 × 4 = 28
8 × 3.50 = 28

3. 4; 1 + 1^3 = 2
2 + 2^3 = 10
3 + 3^3 = 30
4 + 4^3 = 68
5 + 5^3 = 130
6 + 6^3 = 222
7 + 7^3 = 350

4. 3; 11 × 2 + 2 = 24
24 ÷ 2 + 4 = 16
16 × 2+ 6 = 38
38 × 2 + 8 = 27
27 × 2 + 10 = 64
64 ÷ 2 + 12 = 44

5. 2; 821 – 19^2 = 460
460 + 17^2 = 749
749 – 13^2 = 580
580 + 11^2 = 701
701 – 7^2 = 652
652 + 5^2 = 677

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