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Quantitative-aptitude Questions Set 354:

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At what annual interest rate will a sum of money double in 8 years?

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Balu said, "She is the daughter of my grandmother's only son". How is Balu related to that lady?

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A clock shows 2 o'clock in the morning. Through how many degrees will the hour hand rotate when the clock shows 9 o'clock in the evening?

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The average age of four children is 8 years. When the age of the father is included, the average age increases by 4 years. Find the age of the father.

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A circle is inscribed in a square such that the circle touches all the sides of the square. Find the ratio between the area of the circle and the area of the square.

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A reduction of 20% in the price of rice enables a person to buy 3.5 kg more rice for Rs. 385. The original price of rice is:

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 A walks from points Jammu to Delhi and at the same time B starts walking from Delhi to Jammu. After passing each other, they complete their journeys in 361 hours and 289 hours, respectively. Find the ratio of speed of A to that of B? 

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The dimensions of a room are 25 feet × 15 feet × 12 feet. What is the cost of whitewashing the four walls of the room at Rs. 5 per square foot if there is one door of dimensions 6 feet × 3 feet and three windows of dimensions 4 feet × 3 feet each?

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 On the independence day, bananas were be equally distributed among the children in a school so that each child would get two bananas. On the particular day 360 children were absent and as a result each child got two extra bananas. Find the actual number of children in the school? 

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Two pipes can fill an empty tank in 40 minutes and 60 minutes respectively. There is an outlet pipe C. If all the 3 pipes are opened simultaneously, the empty tank can be filled in 48 minutes. How much time will it take for pipe C alone to empty the full tank?

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