Two fathers and two sons decided to go to a shop and buy some sweets upon reaching. Each of them bought 1 kg of sweet. All of them returned home after some time and found out that they had 3kg of sweets with them.

They did not eat the sweets in the way, nor threw or lose anything. Then, how can this be possible?

Find the next number in the series

12, 20, 40, 72, 116, 172 ?

When a clock is observed, the hour hand is at a minute mark and the minutes hand is six minutes ahead of it.

When the clock is observed again after some time, the hour hand is precisely on a different minute mark and the minute hand is seven minutes ahead of it.

Can you calculate how much time has elapsed between the two observations?

Why is it very easy to weigh a fish?

Can anyone tell me a word in the English dictionary which has a silent 'z'?

2, 3, 5, 9, 17, _ What is the next number in the sequence?

You can see three almost identical images below. Can you spot the odd one out from them?

If a zookeeper had 100 pairs of animals in her zoo, and two pairs of babies are born for each one of the original animals, then (sadly) 23 animals don’t survive, how many animals do you have left in total?

A word I know has six letters it contains, remove one letter and 12 remain. What is it?

Analyze and find the missing item in the sequence:
16, 06, 68, 88, __, 98