ENEMY = 2 * LINK
LINK + 2 = HELL

Then what will be TAXI + HELL? Select from the options below:
a) ROTTEN
b) DANGER
c) HEAVEN
4) MORTAL

Find the next number in the series below

21 32 54 87 131 ?

Can you count the number of quadrilaterals in the picture below?

Transform the word THINK into BRAIN while changing only one letter at a time in a manner that each of the word in the process is a real word!!!

Spelt forwards I’m what you do every day, spelled backwards I’m something you hate. What am I?

Why did the Girl throw the butter out of the window?

When monkey rotate the gear, which mark will be hit 1 or 2 ?

I am something people love or hate. I change peoples appearances and thoughts. If a person takes care of them self I will go up even higher. To some people I will fool them. To others I am a mystery. Some people might want to try and hide me but I will show. No matter how hard people try I will Never go down. What am I?

What does this rebus mean?

O
N
C
E
TIME

Why is the Hole below a Lock?