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

On her drawing table, Sayna lit 12 coloured candles. A few seconds later she blew two candles off.

How many candles Sayna have at the end?

Replace the question mark with the correct number in below Picture:

The following four words might seem abrupt to you. But you can make them meaningful by just adding vowels.
RDSH
GGPLNT
TMT
NN

Hint: All of them are vegetables.

I am a seven-letter word but if you remove four of my letters I will have one left. What word am I?

If,

A + B = C
D - C = A
E - B = C

Based on the above equations, find out the answer for:

D + F = ?

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

How many times in a given day, minutes and hour clock comes in a straight line ?

Can you write down eight eights so that they add up to one thousand?

I am the one who remains awake when you sleep. But I need to rest when you awake. Who Am I?