In a contest, four fruits (an apple, a banana, an orange, and a pear) have been placed in four closed boxes (one fruit per box). People may guess which fruit is in which box. 123 people participate in the contest. When the boxes are opened, it turns out that 43 people have guessed none of the fruits correctly, 39 people have guessed one fruit correctly, and 31 people have guessed two fruits correctly.
How many people have guessed three fruits correctly, and how many people have guessed four fruits correctly

Complete the series by replacing "?" with the correct number.

ST ND RD TH '?'

Can you count the number of triangles in the given picture?

It can't be seen, can't be felt, can't be heard, and can't be smelt.
It lies behind stars and under hills, And empty holes it fills.
It comes first and follows after, Ends life, and kills laughter.
What is it?

Can you count the number of blocks in the picture below?

It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

If all Goats are Sheep and all Sheep are Deers, are all Deers Goats ?

Identify the 10 differences between the two given pictures.

What will you call your mother's brother's brother-in-law?

Below, you can see some coding:
January = 1017
February = 628
March = 1335
April = 145
May = 1353
June = 1064
July = 1074
August = 186

Now deciphering the way it has been coded, can you find out how September will be coded?