Before Mount Everest was discovered, what was the highest mountain in the world?

Place the numbers from 1 to 9 in the circles in a manner that each side of the triangle sums up to 17.

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 ?

Complete the table series riddle by finding the number that can replace "??".

Can you replace the question mark with the correct number?

2, 3, 5, 9, 17, _ What is the next number in the sequence?

What does below science rebus mean?

Ag Ag Ag
Ag SPOON Ag
Ag Ag Ag

I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?

Things are just as they seem, right? Well, check again.
Can you count the number of tigers in this picture ?

There was a greenhouse.
Inside the greenhouse, there is a white house.
Inside the white house, there is a red house.
Inside the red house, there are lots of babies.

What is It?