A boy got 50% of the questions on a test correct . If he had 10 questions correct out of the first 12 and 25% of the remaining questions correct, how many questions were on the test?

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Job Solution Exim Bank Ltd Exim Bank Ltd - Management Trainee Officer - 07.05.2010 গণিত
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Two pipes A and B can fill a tank in 20 and 30 minutes respectively. If both the pipes are used together, then how long will it take to fill the tank?

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A father said to his son , " I was as old as you are at present at the time of your birth". If the father,s age is 36 years now, the son's five years back was____

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What will be the least number which when doubled will be exactly divisible by 12, 18, 21 and 30?

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The product of two numbers is 120 and the sum of their squares is 289. The sum of the number is _____

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A train speeds past a pole in 15 seconds and a platform 100m long in 25 seconds. What is the length of the train?

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