Quantitative-aptitude Questions Set 102:
Which number does not belong to the group?
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The difference of two numbers is 10, and one-fifth of their sum is 9. Find the numbers.
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A man covers half the distance at 5x km/hr and the rest at 7x km/hr. What is the average speed of the man?
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A train 800 meters long is running at a speed of 78 km/hr. If it crosses a tunnel in 1 minute, then the length of the tunnel (in meters) is:
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The length of a chord of a circle is 8 cm. If the perpendicular distance between the center and the chord is 3 cm, find the diameter of the circle.
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A walks at a uniform rate of 4km an hour and 4 hours after his start, B cycles after his at the uniform rate of 10km an hour. How far from than starting point will B catch A?
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Two trains travelling in the same direction at 40 kmph and 22 kmph completely pass each other in 1 minute. If the length of the first train is 125 m, what is the length of the second train?
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One liquid contains 25% of ethene, the other contains 30% of ethene. A mixture is made with 6 parts of the first liquid and 4 parts of the second liquid. Find the percentage of ethene in the new mixture.
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A sum of money is sufficient to pay Sachin's work for 10 days and Kale's work for 20 days. For how many days can the sum pay the salaries of both Sachin and Kale working together?
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