Which alphabet is a part of our body?

They are the five precious gems of an everyday sort and all can be found on a Tennis Court. Who are they?

At the local model boat club, four friends were talking about their boats.

There were a total of eight boats, two in each colour, red, green, blue and yellow. Each friend owned two boats. No friend had two boats of the same colour.

Alan didn't have a yellow boat. Brian didn't have a red boat but did have a green one. One of the friends had a yellow boat and a blue boat and another friend had a green boat and a blue boat. Charles had a yellow boat. Darren had a blue boat, but didn't have a green one.

Can you work out which friend had which coloured boats?

what one word does the below rebus identifies?

If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?

If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?

Can you solve this tricky maths equation problem by replacing it? mark with the correct symbol?

19834 -----: 187
15921 -----: 153
17561 -----: 139
13734 -----: ???

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

Count the squares in the matchstick puzzle below?

Can you arrange four 9's and use at most 2 math symbols, to make the total 100?