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Quantitative-aptitude Questions Set 1:

Quiz Mode

 Brick : Clay :: Ruby : ? 

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The least perfect square that is divisible by 21, 36, and 66 is:

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10 motors can pump 20 litres in 6 hours. In how many hours can 15 motors pump 40 litres?

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In what time will a railway train 60 m long moving at the rate of 36 km/h pass a telegraph post on its way?

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A finishes a piece of work in 10 days, and B finishes the same work in 15 days. If B joins 5 days after A starts, find the remaining time.

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Ashwin spends 65% of his income. His income is increased by 20% and he increased his expenditure by 10%. Find the percentage increase in his savings.

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In a 216-metre long yard, 25 trees are planted at equal distances, with one tree at each end of the yard. What is the distance between two consecutive trees?

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Line 'k' lies in the xy-plane. The x-intercept of line 'k' is -4, and line 'k' passes through the midpoint of the line segment whose endpoints are (2,9) and (2,0). What is the slope of line 'k'?

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Statements: All the locks are keys. All the keys are bats. Some watches are bats.

Conclusions:

  1. Some bats are locks.
  2. Some watches are keys.
  3. All the keys are locks.

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The simple interest on a certain sum is 16/25 of the sum. Find the rate percent and time, if both are numerically equal.

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