What is the word or phrase?

If,

20 % 5 = 24

21 % 7 = 33

42 % 6 = 67

Then;

66 % 6 = ?

An office is divided into 8 cubicles. How many of the cubicles are painted if only 1/8 of the cubicles are painted?

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

Why 1729 is a magic number? Answer Logically.

Why is the Hole below a Lock?

Can you find a number that lies one third of the distance between 1/3 and 2/3?

Which digit occurred maximum times between the number 1 and 1000?

I cannot talk, but I always reply when spoken to. What am I?

I have Rs.50 and I spend it in the way as below.