Quantitative-aptitude Questions Set 148:
The number if terms of the AP 3, 7, 11, 15, ..... to be taken so that the sum is 412 is
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What are the chances that no two boys are sitting together for a photograph if there are 5 girls and 2 boys?
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If the length of a rectangle is increased by 30% and the breadth is decreased by 20%, find the percentage change in the area.
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A student got an average of 56 marks in 5 subjects. What is the percentage of marks obtained by the student if the maximum marks in each subject is 80?
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In a bag, there are 8 red, 7 blue, and 6 green balls. One ball is picked up randomly. What is the probability that the ball is neither red nor green?
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In covering a distance of 30 km, Ajay takes 2 hours more than Sameer. If Ajay doubles his speed, then he would take 1 hour less than Sameer. Ajay's speed is:
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The price of 10 mangoes is equal to the price of 4 apples. The price of 7 mangoes and 8 apples together is Rs 540. Find the price of 6 mangoes and 3 apples.
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Roja and Pooja start moving in opposite directions from a pole. Roja is moving at 2 km/hr and Pooja is moving at 3 km/hr. After 4 hours, what will be the distance between them?
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A mixture of alcohol and water contains 60% of alcohol by volume. Then, 60 ml of water is added to such a mixture of 100 ml. The percentage of alcohol in the new mixture is
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A and B each working alone can complete a work in 15 days and 25 days respectively. They started the work together, but B left after some time, and A finished the remaining work in 7 days. After how many days from the start did B leave?
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