Can you place six X (crosses) in below board without making three in a row in any way ?

There are are five things wrong with this sentence; only geniuses will be able to to spot all of the mitstakes

I know a 5-digit number having a property that With a 1 after it, it is three times as large as it would be with a one before it.

Guess the number?

When can we add 2 to 11 and get 1 as the correct answer?

John needs to purchase 100 chocolates from three different shops and he has exactly 100 rupees to do that which he must spend entirely. He must buy at least 1 Chocolate from each shop.

The first shop is selling each chocolate at 5 paise, the second is selling at 1 rupee and the third is selling at 5 rupees.

How many chocolates should he buy from each shop?

There are hundred red gems and hundred blue gems. The blue gems are priceless while the red gems equal wastage. You have two sacks one labeled Heads and the other Tails. You have to distribute the gems as you want in the two sacks. Then a coin will be flipped and you will be asked to pick up a gem randomly from the corresponding sacks.

How will you distribute the gems between the sacks so that the odds of picking a Blue gem are maximum?

You see a boat filled with people, yet there isn’t a single person on board. How is that possible?

Today, I celebrated my 32nd birthday but I was born in 1972.
How is this possible?

how come the second man dies?

1 + 9 + 8 = ?
considering, 28 + 8 + 92 = 10