The outer radius of a hollow metallic spherical ball is 12cm while the thickness of the metal used to make it is 8 cm. Find the volume of the metal used in making this ball.
Inner radius of the ball= (12-8) =4cm Required volume= 4 π/3 (12 ³ -4³) =4 π/3(1728-64) = = 4 π/3 ×1664=2218.6π
How many meaningful four-letter English words can be formed using the second, third, fifth and seventh letters of the word TOURIST (when counted from le...
Statements: Some combs are wood. Some wood are tables. Some tables are plastic.
Conclusion I: Some wood are combs.
Conclusion II: All plastic are tables.
Find the upcoming numbers in this series.
3, 13, 35, 109, 323,?
Statements:
No cup is a plate.
All plates are cutleries.
No cutlery is a spoon.
Conclusions:
I. Some cutleries ...
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Select the term from the given alternatives which can come in place of the question mark (?) in the following series.
GNW-5, HQA-9, ITE-17, JWI-33, ?
Each of P, Q, R, S, T, U and V has exam on different day of the same week starting from Monday and ending on Sunday. R's exam is immediately before U's ...
