By selling 32 guavas for Tk. 30 a man loss 25% . How many guavas should be sold for tk. 18 to gain 20% of profit in the transaction?

Created: 6 months ago | Updated: 4 days ago
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A driver of an auto rickshaw sees a lorry m ahead of him .After 30 seconds the lorry 90 m behind. If the speed of the auto rickshaw is 38 km /hr, then what is the speed of the lorry?

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A box contains 21 balls numbered 1 to 21 . A ball numbered 1 to 21 . A ball is drawn and then another ball is brawn without replacement . What is the probability that both balls are even numbered?

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From 6 boys and 4 girls, 5 are to be selected for admission for a particular course. In how many ways can this be done if there must be exactly 2 girls?

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The perimeter of a rectangle is 26 cm. The rectangle is converted to a square by tripling the width and taking a quarter of the length. what is the perimeter of the resulting square?

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If 3 apples cost 19 cents, how many apples can be purchased for $1.52?

Created: 6 months ago | Updated: 2 days ago
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