What does below science rebus mean?

Ag Ag Ag
Ag SPOON Ag
Ag Ag Ag

What has one letter and starts with an E?

In the figure, you can see nine stars. What you have to do is connect all of them by using just four line and without lifting your hand i.e. in a continuous flow.

Replace the question mark with the correct number.

2 + 2= 4
3 + 3= 18
4 + 4= 48
5 + 5= ?

What goes up but never comes down?

John’s parents have three sons: Snap, Crackle, and what’s the name of the third son?

Given that

(78)^9 = 6
And (69)^4 = 11

Can you find out

(99)^2 =?

(Note: This is Logical, not Mathematical)

1 + 9 + 8 = ?
considering, 28 + 8 + 92 = 10

A woman who works in a sweet shop has a measurement of 32-26-36, is 5"4" tall, and wears size "6" shoes. What do you think she weighs?

If Bihan is 10, Anirudha is 20, and Kim and Seal are both 5, but Rikold is 10, how much is Kenniger by the same trend?