UPSC Government Jobs Exams

'Hotel' to 'menu' is as 'Library' to :

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UPSC Other Question
Sum of two numbers is 1/3rd of 1/5th of 195 and product is 1/6 th of 1/4th of 960. Find difference between numbers :






 Wheel X rotates at a uniform speed of 8 revolutions per minute and wheel Y rotates at a uniform speed of 40 revolution per second. How long after they start rotating simultaneously,will wheel Y have e