Can you find out the missing number?

? 4 5 3 5

9 5 7 10 3

What is the word or phrase?

What's the next in the series?

H, Be, F, S, Mn, Kr, In, Gd, Tl, ?

A mathematics teacher took exams for his students. Out of the total students, 25% passed both the tests included in the exam. However, only 42% were able to clear the first test.

Can you find out the percentage of those students who passed the first test and also passed the second test?

A man is shown a portrait painting. He looks closely, then tells, “Brothers and sisters have I none, but that man’s father is my father’s son!” Who is the man in the portrait?

There is a certain crime, that if it is attempted, is punishable, but if it is committed, is not punishable. What is the crime?

What kind of band never plays music?

You have 10 balls with you. A friend of yours out of nowhere asks you to place those ten balls in five lines such that each of the lines has exactly 4 balls on them. He needs to check your intelligence. Prove him by doing the task.

In a supermarket, there is an intelligent glass pane before a refrigerating unit. This glass pane allows cherries and apples through it but does not allow grapes and Orange to pass through it.

Can you identify the rule that the glass pane is following?

Which is heavier: a ton of bricks or a ton of feathers?