IBPS PO Prelims 2020 - Quantitative Aptitude
IBPS PO Prelims 2020 - Quantitative Aptitude - Important Points
16. | In a mixture of milk and water, the proportion of milk by weight is 60%. If from the 80 gm mixture, 20 gm of mixture is taken out and 6 gm of pure water is added to the mixture then find the ratio of milk and water in the new mixture. |
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A. 5:6
B. 6:5
C. 4:3
D. 3:2
E. 7:6
View Answer Discuss Work SpaceAnswer: option b
Explanation:
Answer: B
17. | A sphere is melted and molded into solid cylinder. If radius of both solids is equal, then find the ratio of total surface area of sphere to the total surface area of cylinder |
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A. 2:3
B. 4:3
C. 3:7
D. 6:7
E. 7:6
View Answer Discuss Work SpaceAnswer: option d
Explanation:
Answer: D
18. | Three partners P, Q and R invested their amounts in ratio of 2 : 5 : 7. At the end of 6 months, ‘P’ added some more amount such that his investment become equals to half of sum of ‘Q’ and ‘R’ initial investment. If at the end of the year, Q’s share in profit is Rs 425, then find the total profit |
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A. Rs 1250
B. Rs 1360
C. Rs 1840
D. Rs 1050
E. Rs 1450
View Answer Discuss Work SpaceAnswer: option b
Explanation:
Answer: B
19. | A shopkeeper marks up price of LED 60% above its cost price and gives three successive discounts of 12 (1/2)%, d% and 25%. If shopkeeper made a loss 16% on LED. Find the second discount allowed by shop? |
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A. 15%
B. 20%
C. 25%
D. 16 (2/3)%
E. 17.5%
View Answer Discuss Work SpaceAnswer: option b
Explanation:
Answer: B
20. | Speed of a boat in still water is 12 kmph and speed of stream is ‘x’ kmph. If in traveling 270 km upstream boat takes 66 (2/3)% more time than traveling 270 km downstream, then find the value of ‘x’. |
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A. 2 kmph
B. 4 kmph
C. 1 kmph
D. 3 kmph
E. 6 kmph
View Answer Discuss Work SpaceAnswer: option d
Explanation:
Answer: D