Joseph, Dharmaraj
Brain teasers in mathematics (100 puzzles with solutions) / Dharmaraj Joseph. - New Delhi : Sterling Paperbacks, c2000. - 149 p. : ill. - Brain teasers .
Math--Puzzles
Math--Games
Brain teasers in mathematics (100 puzzles with solutions) / Dharmaraj Joseph. - New Delhi : Sterling Paperbacks, c2000. - 149 p. : ill. - Brain teasers .
Math--Puzzles
Math--Games