Sunday, 3 May 2015

SBI PO Quantitative Aptitude Quiz -17

Direction (Q. 1 - 5): What should come in place of the question mark (?) in each of the following questions?

1. 62.623 – 17.821 – 7.397 – 1.624 =?

1) 32.682 2) 35.781 3) 40.053 4) 40.875 5) None of these

2. ? % of 480 + 58% of 325 = 320.1

1) 25.3 2) 26.5 3) 27.2 4) 27.5 5) None of these

3. (0.0081)4 ÷ (0.09)5 =?

1) 343 x 10-2 2) 81 x 10-8 3) 729 x 10-6 4) 27 x 10-5 5) None of these

4. 1024 + 32 x 0.5 – 53 =?

1) 950 2) 987 3) 1001 4) 1081 5) None of these

5. 262 x 62 x 0.25 =?

1) 3861 2) 3984 3) 4041 5) 4061 5) None of these

Direction (Q. 6 - 10): In the following number series only one number is wrong. Find out the wrong number.

6. 5, 16, 58, 153, 463, 1394, 4188

1) 16 2) 58 3) 153 4) 463 5) 4188

7. 9, 13, 30, 65, 129, 229

1) 9 2) 65 3) 30 4) 129 5) 229

8. 11, 6, 6, 12, 26, 67.5, 205.5

1) 11 2) 12 3) 26 4) 6 5) 67.5

9. 15, 35, 85, 240, 522.5, 1303.75

1) 15 2) 35 3) 85 4) 1303.75 5) 240

10. 3, 7, 25, 100, 380, 1122, 2230

1) 25 2) 100 3) 380 4) 1122 5) 2230

Answers

1. 2;

2. 4; Reqd % = (320.5 – 188.5V480)

3. 3; (.3)16 + (.3)10 = (0.3)6 = 729 x 10-6

4. 2;

5. 4;

6. The series is x3 + 1, x3 + 2, x3 + 3, x3 + 4, x3 + 5, x3 + 6, ………..

7. 3; The series is +22, +42, +62, +82, +102, ………….

8. 4; The series is x0.5 + 0.5, x1 + 1, x1.5 + 1.5, x2 + 2, x2.5 + 2.5, ………….

9. 5; the series is (x 2.5 – 2.5)

10. 1; the series is (3 - 2) x 7 = 7

(7 - 3) x 6 = 24

(24 - 4) x 5 = 100

(100 - 5) x 4 = 380

(380 - 6) x 3 = 1122

(1122 - 7) x 2 = 2230

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