The square root of number 121 is "11". What is the square root of the number "12345678987654321."?

Chhote se Chintu Miyan,
Lambi si Pooch.
Jahan Jaye Chintu Miyan,
Wahan Jaye Pooch.

छोटे से चींटू मियाँ,
लंबी सी पूंछ।
जहाँ जाये चींटू मियाँ,
वहाँ जाये पूंछ।

Bolo kya?

I am the fastest animal but cannot climb the tree. What am I?

In the Mexico City area, there are two Houses H1 and H2. Both H1 and H2 have two children each.
In House H1, The boy plays for Mexico Youth academy and the other child plays baseball.
In House H2, The boy Plays soccer for his school in Mexico and they recently have a newborn.

Can you prove that the probability of House-H1 having a girl child is more than that of House-H2?

Find The Missing Number In the Sequence.
6 25 64 ? 32 1

Different lights make me strange by changing me into different sizes. What am I?

What does the below image rebus riddle means ?

Can you divide numbers from 1 to 9 (1 2 3 4 5 6 7 8 9) into two groups so that the sum of the numbers of each group is equal?

Note: 9 cannot be turned over to make it 6.

Can you decipher the following common phrase?

T M C
A U O
H S M
W T E

The picture shows the dice results in each couple of throws. If they are actually following a pattern, can you find out the missing one?