Sunday, June 18, 2017

Can you intelligently guess the answer? ( P5 / P6 whole numbers, factors and multiples fr: Brilliant.org)


You encounter the expression below, but your paper has been smudged. Nonetheless, you can still answer the question correctly!
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Quiz of the Week


The picture or diagram that goes with your problem.


Image of an interesting problem which contains LaTeX.


Image of the possible answers for this problem.

Tuesday, June 13, 2017

What is the area of the shaded region?

Seven circles each with radius 1 overlap to form this composite figure.
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Quiz of the Week


The picture or diagram that goes with your problem.

Seven circles, each with radius 1, overlap to form the composite figure shown above. Find the area of the shaded region.

Tuesday, June 6, 2017

Friday, June 2, 2017

How many times do the minute and hour hands of a clock perfectly overlap in 24 hours, from 7 a.m. to 7 a.m. the next day?


Variants of this puzzle are often asked in quantitative interviews...
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Problems of the Week
May 29 - June 4

Basic Intermediate Advanced

The picture or diagram that goes with your problem.

How many times do the minute and hour hands of a clock perfectly overlap in 24 hours, from 7 a.m. to 7 a.m. the next day?


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