There was an aeroplane crash, every single person died, but two people survived. How is this possible?

A Club organizes a Running Race, and John, Jacob, Minda, and Tony participated.

The results are as follows

John beats Jacob
Minda beats Toni
Toni beats John

Who came first in the race?

There are seven sisters in a house in a village where there is no electricity or any gadget.

Sister-1: Reading Novel
Sister-2: Cooking
Sister-3: Playing Chess
Sister-4: Playing Sudoku
Sister-5: Washing clothes
Sister-6: Gardening

what is Sister-7 doing ?

Which Travels Faster? Solve below famous picture riddle:

I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?

A patient was diagnosed with some ailment. He was given five different tablets to take at night at an interval of 15 minutes.

How long will it take the patient to consume all the five tablets?

Can you replace the question mark with the correct number in the below table sequence?

Nine marbles are arranged in the image below. Can you slide two marbles to form a square?

Imagine you are in a room with no windows or doors. How will you get out?

How much will a 38° angle measure when looked at under a microscope that magnifies ten times?