Can you find out the missing number?

? 4 5 3 5

9 5 7 10 3

Find the missing letter in the last circle logically in the given below picture.

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

Can you name four days which start with the letter 'T'?

What is so fragile that saying its name breaks it?

What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?

I have a five and a three-gallon jar. Assuming there is an infinite supply of water, how can I measure one-gallon water?

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

They are three errirs in this question. Can you find them?

What is the four-digit number in which the first digit is one-third the second, the third is the sum of the first two, and the last is three times the second?