Can you count the number of triangles in the given figure?

Identify the movie name through below Rebus containing Pi Mouse and coconut tree..

If "P" means "-", "Q" means "/", "R" means "+", and "S" means "*" then find the value of the following:

21 Q 7 R 9 S 10 P 13

Look at this sequence from top to bottom. What is the next number in the sequence?
1
11
21
1211
111221
312211

Two old friends, Jack and Bill, meet after a long time.

Three kids
Jack: Hey, how are you, man?
Bill: Not bad, got married and I have three kids now.
Jack: That's awesome. How old are they?
Bill: The product of their ages is 72 and the sum of their ages is the same as your birth date.
Jack: Cool..But I still don't know.
Bill: My eldest kid just started taking piano lessons.
Jack: Oh, now I get it.

How old are Bill's kids?

what does this picture(rebus) riddle means ?

At my favorite fruit stand,
an orange costs 18,
a pineapple costs 27,
and a grape costs 15.
Using the same logic, can you tell how much a mango costs?

Which Travels Faster? Solve below famous picture riddle:

Four men were in a boat on the lake. The boat turns over, and all four men sink to the bottom of the lake, yet not a single man got wet! Why?

I speak without a mouth, and hear without ears. I have no-body, but I come alive with the wind. What am I?