Which Number is the odd one out?

A) 7145
B) 2716
C) 5321
D) 4135

There is something which you can be arrested for attempting but not for successfully completing.

How many triangles are there on the puzzle below?

As a whole I am both
safe and secure.

Behead me and I become
a place of meeting.

Behead me again and I am
the partner of ready.

Restore me, and I become
the domain of beasts.

What am I?

Can anyone tell me a word in the English dictionary which has a silent 'z'?

A brand new Mobile Phone was on sale at 20% as a promotional offer. By what per cent must the Mobile price be increased to sell it at the original price again?

Using mathematical symbols like +, -, and x in order to make the equations correct. Replace # with the above-given symbols.

9 # 8 # 7 # 6 # 5 # 4 = 91

What do you see in the image below

John was going on a jungle trip. He asked his wife to pack something to eat, something to drink and something to burn if he feels cold in the jungle. When John opens the backpack he found just one thing in the bag. What was it?

John was drowned by he was not wet. How?