Quantitative Aptitude Quiz For IBPS SO Prelims: 28th December 2018

Q1. A trader buys goods at 20% discount on marked price. If he wants to make a profit of 25% after allowing a discount of 20%, by what percent should his marked price be greater than the original marked price ?

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Q2. A student finds the average of 10, 2 – digit numbers. If the digits of one of the numbers is interchanged, the average increases by 3.6. The difference between the digits of the 2-digit number is

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Q3. The milk and water in two vessels A and B are in the ratio 4 : 3 and 2 : 3 respectively. In what ratio, the liquids in both the vessels be mixed to obtain a new mixture in vessel C containing half milk and half water ?

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Q4. A car travels from P to Q at a constant speed. If its speed were increased by 10 km/h, it would have been taken one hour lesser to cover the distance. It would have taken further 45 minutes lesser if the speed was further increased by 10 km/h. The distance between the two cities is

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Q5. A, B and C can do a job in 6 days, 12 days and 15 days respectively. After 1/8 of the work is completed, C leaves the job. Rest of the work is done by A and B together. Time taken to finish the remaining work is

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Directions (6-10): What will come in place of (?) in the following number series? 


Q6. 3, 8, 20, 46, 100, 210, ?

Q7. 5, 7, 17, 55, 225, 1131, ?

Q8. 1, 5, 14, 30, 55, 91, ?

Q9. 46, 267, 462, 631, 774, ?

Solution:

Q10. 130, 139, 155, 180, 216, (?)

Directions (11-15): What approximate value should come in place of question mark (?) in the following questions? (Note: You are not expected to calculate the exact value) 


Q11. 9228.789 – 5021.832 + 1496.989 = ?

Q12. 29.8% of 260 + 60.01 % of 510 – 103.57 = ?

Q13. {(4444+333+22+1)-(2×3×4×5)}×2.532=?

Q14. 17% of 760+57% of 78.99+77.77=?

Q15. (3.2)² + (9.8)² + (8.13)² + (4.24)² = ?

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