My cousin lives in one story house in Antarctica. His house is made the of-of sandstone. what is the color of stairs?

How many times can you subtract the number two from the number fifty?

At my favorite fruit stand,
an orange costs 18,
a pineapple costs 27,
and a grape costs 15.
Using the same logic, can you tell how much a mango costs?

Find the number of squares in the below-given picture.

Solve the rebus riddle in the picture below.

What does below chemistry rebus means?

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

Can you find the odd number in the following?

2716, 4135, 5321 and 7145

To attend world science seminar, A famous chemist from Mexico visit
London. In the lab, the scientist was killed and his six assistants were under suspicion of killing the chemist.
Name of six assistants: Austin, Wayne, Dege, Oscaru, Lingard, and Rojo.
He left a note "76-20-44 79-16-22-7"

A local detective Jack was called to solve the case,

After reading the note, Jack instantly asked the police to arrest the murderers.

Who are the murderers?

A Car is crossing a bridge 2 miles long. The bridge can only hold 10000 lbs, which is the exact weight of the car. The Car makes it half way across the bridge and stops. A bird lands on the car. Does the bridge collapse? Explain.