There are 'e' students in a school studying English and 'a' students studying Arabic. How many students study English and Arabic or both, if 'b' students study both?

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Job Solution Agrani bank Ltd Agrani bank Ltd - Senior Officer - 12.08.2011 গণিত
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One-half of the employees of a company earns over Tk. 18,000 per month. One-third of the reminder earns between Tk. 15,000 and Tk. 18,000. What part of the staff earns below Tk. 15,000?

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What is the square root of 0.00000081 ?

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What is the ninth term of the sequence 0, 3, 8, 15, 24, 35, ...................... ?

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What is the wrong number in the following series : 1, 23, 144, 64, 49 ?

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