On my way to St. Ives I saw a man with 7 wives. Each wife had 7 sacks. Each sack had 7 cats. Each cat had 7 kittens. Kittens, cats, sacks, wives. How many were going to St. Ives?

What does this simple rebus mean?

Find out the missing number in the picture attached:

What can you hold in your right hand, but never in your left hand?

Can you find out the smallest number that can be conveyed as the sum of three squares in three unique ways?

What can you catch but never throw?

What does this rebus mean?

O
N
C
E
TIME

By what process could you make a 'Tea-Table' into food?

Find the next number in the sequence

1, 2, 6, 21, 88, __?

I am a type of vehicle that has two wheels and is powered by humans. What am I?
Hint 1: You can ride me for exercise.
Hint 2: I am environment-friendly.