Doubt 9

A tank has two outlets A and B, which together take 6 hours to empty a full tank when they are opened simultaneously. The tank was inititally half-full and both outlests were opened. After an hour, an inlet pipe X was opened. If the air inlet can fill an empty tank in 4 hours, how…

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ATOT Gold Coin Test

To encourage school students, Saitechinfo announces Gold Coin Anytime Online Test Series for students from STD IX to STD XII with effect from 29th November 2020. ATOT Descriptive Test Booking STD09 STD10 STD11 STD12 Online booking for Rules and Regulations Saitech Premium Students alone can attend ATOT. If you are not a bonafide Saitech Premium…

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