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Has anyone solved the Arun Sharma's (10th Edition)- LOD 2 of time speed distance?

easy question hai ye to sare

TWO pipes P and Q can fill a cistern in 12 and 18 hrs,both pipes were opened at 10:00 AM and cistern was full at 6 PM what could be the minimum possible duration for which one of the pipes must have been closed during that interval?

Two pipes can follow a cistern in 12 and 18 hrs ,both pi

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basics of mixture and allegations

Find out the least number N when multiply by 2 becomes a perfect square , multiply by 3 becomes perfect cube and multiplied by 5 becomes perfect power of 5

RRB ALP Question

I have started preparing for CAT, I want to get sets and practice questions, where can i get it

Students appeaned from X in an eram and 20% failed. frrom Y 130% mere students appeaned. 90% of total mimber passed, hehatis the %% of students frrom y failed