I am a number I am not an odd number I am higher than 90 I am not higher than 100 If you subtract me from 100, you get nothing. What number am I?

If,

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

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

D + F = ?

Can you place six X (crosses) in below board without making three in a row in any way ?

Count the number of squares in the picture below.

You see me once in June, twice in November, and not at all in May. What am I?

There is a barrel with no lid and some wine in it. 'This barrel of wine is more than half full,' said Curly. 'No it's not,' says Mo. 'It's less than half full.' Without any measuring implements and without removing any wine from the barrel, how can they easily determine who is correct?

I am quite hot but become too cold if you remove the first two letters. What am I?

Analyze and find the missing item in the sequence:
16, 06, 68, 88, __, 98

Cristina leaves home and then she makes exactly 3 left turns and returns home where she found 2 girls wearing the mask.

Who are these two masked girls?

If a wheel has 54 spokes, how many spaces are there between the spokes?