SSC Government Jobs Exams Numerical Ability Area and Volume

A spherical ball of radius 1cm is dropped into a conical vessel of radius 3cm and slant height 6cm. The volume of water that can just immerse the ball is?

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Where does 1/4 come from?
8 years agoHelpfull: Yes(2) No(0)

4/3 + 4/3*1/4
4/3 + 1/3
5/3 pie
8 years agoHelpfull: Yes(1) No(1)
how did this 1/4 come?????
8 years agoHelpfull: Yes(0) No(0)

SSC Other Question

Tan (A+B) = 1/2, tan (A-B) = 1/3, then find the value of SIN 2A Mr. komal invests rs.1546 in a bank at a certain rate of CI per annum. AT THE END OF 8YEARS, HE FINDS THAT HIS MONEY HAS DOUBLED. wHAT IS APPROX RATE OF INTEREST PAID BY BANK?