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The bio-chemical treatment of sewage effluent is a process of -
The bio-chemical treatment of sewage effluent is a process of -
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The GDP growth rate of Bangladesh in 2004-05 was close to--
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‘Rural electrieity’ is the example of—
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Frequency বাড়লে signal এর wave length -
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Which of the following is not the functions of central bank?
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We open current accounts with a commercial bank for a propose of--
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