If 1+9+8=1, what is 2+8+9?

Three fair coins are tossed in the air and they land with heads up. Can you calculate the chances that when they are tossed again, two coins will again land with heads up?

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

In a particular village, only two barbershops exist.

The first shop has a handsome barber with a neat haircut who is handsomely dressed in clean clothes and is extremely humble with his body language. The place is clean and looks hygienic.

In the second shop, you can find a barber with shabby clothing. His hairs are weirdly cut and his clothes still have the stains from last night's dinner. The place is not clean as well and reeks a bit.

You visit the village for the first time and decide to get your haircut. Which barbershop will you like to go for that and why?

A man says, "Brothers and sisters, have I none, but that man's father is my father's son." Who is that man?

When 99 is considered higher than 100?

What is the largest amount of money that you can possess in change and still if someone asks you for a dollar, you won't be able to give?

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

In the Thar desert, 3 men found a big 24L Jar is full of water. Since there is a shortage of water so they decided to distribute the water among themselves such that they all have equal amounts of it. But they only have a 13L, a 5L and an 11-litre Jar.

How do they do it?

What is the next number in the series?

15 29 56 108 208 ?