Many have heard it, but nobody has ever seen it, and it will not speak back until spoken to. What is it?

What does below science rebus mean?

Ag Ag Ag
Ag SPOON Ag
Ag Ag Ag

If it took eight men ten hours to build a wall, how long would it take four men to build it?

There is a jar in which there are two types of candies.
20 blueberries and 16 strawberries. You perform the following steps:
1) You take out two candies.
2) If the two candies are of the same flavour, you add a blueberry one otherwise, you add the strawberry one.

You repeat these two steps till there is just one candy remaining in the jar. Which flavoured candy will be left?

Decode this picture on T-Shirt and tell what it says ?

Make the seating arrangement of 10 children in such a way that there are 5 rows with 4 children in each row.

If Rajina's daughter is my daughter's mom, who am I to Rajina?

Can you find the dog hidden in a group of pandas?

An inspection by the superintendent of St. Joseph School was scheduled on the next day. The class teacher Jenifer knew that he would be asking questions from her class and she would have to choose a pupil to answer. To offer a perfect impression over him, the teacher explained certain instructions to the students to maximise the chances of getting correct answer every time.

What did she say to the students?

A prisoner is told: "If you tell a lie, we will hang you and if you tell the truth, we will shoot you." What did the prisoner say to save himself?