Count the number of triangles in the below picture?

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

What is the next number in the series?

15 29 56 108 208 ?

Can you name three consecutive days without using the words Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, or Sunday?

A man wants to cross the pit of fire which is 25 feet in length and he has 2 planks(fire resistant) 19 feet in length. How can he cross the pit of fire alive?

Find out a multi-digit number that if multiplied by the number 9 or any of its multiplications products (i.e. 18, 27, 36, 45,..) will result in the multiplication factor repeated (n) number of times.

2, 3, 5, 9, 17, _ What is the next number in the sequence?

You see me once in June, twice in November, and not at all in May. What am I?

Use the digits from 1 up to 9 and make 100.

Follow the rules.
=> Each digit should be used only once.
=> You can only use addition.
=> For making a number, two single digits can be combined (for example, 4 and 2 can be combined to form 42 or 24)
=> A fraction can also be made by combining the two single digits (for example, 4 and 2 can be combined to form 4/2 or 2/4)

Question: how can we do this?

A Child was born in Lahore, Pakistan.

Still child is not a Pakistani citizen.why ?