There is a box full of marbles,
all but two are blue,
all but two are green,
and all but two are red.

How many marbles are in the box?

Can you find the next number in the below sequence
3 , 7 , 10 , 11 , 12 , 17 ?

I have teeth but i don't bite. Who Am I ?

using four eights (8) and a one (1) and one mathematical symbol , create the number 100

What can run but never walks, has a mouth but never talks, has a head but never weeps, has a bed but never sleeps?

What has a ring but no finger?

Five lovely ladies(Sophia, Isabella, Madison, Emma and Olivia) planned a picnic.

They each buy one thing each for the picnic.

Sophia, Emma and Olivia got a drink : orange-Juice, apple-juice, and mango-juice.
Olivia got the drink with the same letter as the one in her first name.
Emma loves mango-juice.
The other two bring some food : chocolates and pizza.
Also Madison is allergic to cheese.

So which ladies bought what ?

Only one color, but not one size,
Stuck at the bottom, yet easily flies.
Present in sun, but not in rain,
Doing no harm, and feeling no pain.
What is it?

A seven-year-old kid challenged his classmates that he can make the number one disappear by adding something to it.

How can he do that?

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