Can you make numbers like 24, using numbers 3,3,7 & 7 with any arithmetic operator?

I welcome the day with a show of light, I stealthily came here in the night. I bathe the earthy stuff at dawn, But by noon, alas! I'm gone.

How many pluses should we put between the digits of 987654321 to get a total of 99, and where?

I make a loud sound when I’m changing. When I do change, I get bigger but weigh less. What am I?

There is a straight highway. Four different villages lie on that highway. The distance between them is different. The third village is 60km away from the first village; the fourth is 40 km away from the second; the third is 10 km near to the fourth that it is to the second.

Can you calculate the distance between the fourth and the first village ?

In the city of Brain Teasers, 5% of people do not list their phone numbers. Now if we select random 100 people from the phone directory, then how many people selected will have unlisted phone numbers?

Replace the question mark with the correct number, given the pair of numbers exhibits a similar relationship?

? : 3839 :: 11 : 1209

What does below chemistry rebus means?

What is the centre of gravity?

Which Number is the odd one out?

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