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Pipes & Cistern Quiz For Upcoming Exams

Q1. A tank can be filled by two pipes in 20 minutes and 30 minutes respectively. When the tank was empty the two pipes were opened. After...
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Economics Notes For SSC CGL / CHSL Exam 2019-20 on :...

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Economics is a rapidly growing subject and its horizon has been expanding. The basic thrust of the subject is that there should be efficient...

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