You need to arrange three 7 and mathematical symbols to form number 1?

Considering the below equation:

V + II - VI = 10
IV - X + VIII = 20
IV - VII + VI = 30

Then, I + II + III = ?

Two trains start at the same time, one from Bangalore to Mysore and the other from Mysore to Bangalore. if they arrive at their destinations one hour and four hours respectively after passing one another, how much faster is one train running than the other?

There are five vowels (a, e, i, o, u) in the English language.
Can you tell us a word that contains all these vowels?

Make eight squares by moving only two matchsticks.
Note- Square can be of different sizes.

What can you deduce from the following BrainBat?

CRY
LMKI

Can you decipher the following common phrase?

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

In the four images below, can you find the odd one out?

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

What goes up but never comes down?