Three brothers Jacob, John, and James live in Mexico City. The product of the ages of these brothers is 175. Jacob and John are twins. How old is James?

What is the fastest way to double your money?

Can you find out a way through which you can make five squares out of the given figure by moving just six match sticks?

Can you find the missing letter in the sequence?
S - T - I - L - ? - T - F - Y - C

John is pretty weird. He likes toffees but hates chocolates. He loves books but never reads. He likes to build his troops in an online game but does not proceed with the war. He likes to go swimming but is afraid of water.

Seeking this behaviour, can you tell whether he likes balloons and parties?

Can you find the mistake in the below statement?

There are three boxes of different sizes with three cupcakes inside each of the boxes in Christina's kitchen. At night her daughter wakes up and goes to the kitchen. She opens a box and eats all three cakes.

But in the morning Christina finds out that each box still had three cupcakes. How?

Can you count the number of quadrilaterals in the picture below?

Find the next number in the series below.

6 18 270 72090 ?

How much will a 38° angle measure when looked at under a microscope that magnifies ten times?