Quantitative Aptitude Quiz 137 for IBPS PO

1. An ore contains 25% of an alloy that has 90% iron. Other than this, in the remaining 75% of the ore,there is no iron. How many kilograms of the ore are needed to obtain 60 kg of pure iron ?
1)  275 kg 2)  225 kg 3)  266.66 kg 4)  235.25 kg 5) None of these

2. If the selling price of a dozen apple is equal to cost price of 9 apples. Find gain or loss percent ?
1) 20 % loss 2) 75 % gain 3) 20 % gain 4) 25 % gain 5) None of these

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5. A boat goes 15 km upstream in 80 minutes. The speed of the stream 5 km/hr. The speed of the boat in still water is –––
1)  17.5 km/hr. 2)  18 km/hr. 3)  16.25 km/hr. 4)  8.5 km/hr. 5) None of these

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8. At the centres of two circle, two arcs of equal length subtend angles of 450and 750 respectively. The ratio of the radii of the two circles is –––
1)  5 : 4 2)  5 : 3 3)  3 : 5 4)  4 : 5 5) None of these

9. An aluminium sphere of 210 m. radius is drawn into a cylindrical wire of length 105 km. What is the radius of the wire ? (up to two digit after decimal)
1)  10.84 m 2)  11.74 m 3)  17.50 m 4)  9.76 m 5) None of these

10. Ram started a business investing `40000. After one year he invested another  `50000 and Shyam also joined him with a capital of `80000. If the profit earned in 2 years from the starting of business was  `98700. Then, find the share of Shyam in the profit ?
1)  `35800 2)  `36616 3)  `37540 4)  `37600 5) None of these

Answers :-

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