Quantitative Aptitude Quiz For SBI PO/Clerk Prelims
Directions (1-5): Find the wrong term which does not follow the pattern that other numbers follow in the following number series:
Q1. 2.5, 5, 12.5, 37.5, 131.25, 520
Q2. 5, 23, 43, 66, 94, 131
Q3. 4, 4, 7, 26, 183, 1790
∴ Wrong term = 1790 ≠ 183 × 10 – 36 = 1794
Q4. 12, 36, 6, 18, 3, 10, 1.5
Wrong term = 10 ≠ 3 × 3 = 9
Q5. 4.5, 3, 12, 25.5, 27, 40.5, 49.5, 48.5
Directions (6-15): What will come in place of question mark (?) in the following number series?
Q6. 2, 5, 23, 143, 1151, ?
∴ ? = 1151 × 10 + 9
= 11519
Q7. 8, 9, 20, 63, ?, 1285, 7716
∴ ? = 63 × 4 + 4
= 256
Q8. 15, 34, 13, 30, 11, ?
Q9. 6, 5, 7, 12.5, 27, ?
∴ ? = 27 × 2.5 + 2
= 69.5
Q10. 64, 77, 66, 73, 68, ?
Q11. 25, 30, 49, 56, 81, 90, ?, 132
Q12. 600, 75, 12.5, ?, 1.5625
∴ ? = 12.5 ÷ 4
= 3.125
Q13. 6, 19, 71, 279, 1111, ?
Q14. 4, 18, 60, 186, 564, ?
∴ ? = 564 ×3+6
= 1698
Q15. 12, 13, 28, 87, 352, ?
∴ ? = 352 × 5 + 5
= 1765
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