Questions

A farmer had 20 hens. All but 2 died. How many hens are still alive?

There are 3 gentlemen in a meeting: Mr. Yellow, Mr. Green and Mr. Brown. They are wearing yellow, green and brown ties. Mr. Yellow says: "Did you notice that the colors of our ties are different from our names?" The person who is wearing the green tie says, "Yes, you are right!" Do you know Brown is wearing what colour of tie?

My flight takes off at 2 AM from a place at 18N 10E and landed 10 Hrs later at a place with coordinates 36N 70W. What is the local time when my plane landed?

A red house is built from red bricks. A blue house is built from blue bricks. A white house is built from white bricks. Then what is a greenhouse made from?

Today's high school students spend too much time thinking about trivial and distracting matters such as fashion. Additionally, they often dress inappropriately on school grounds. Rather than spending time writing another detailed dress policy, we should make school uniforms mandatory. If students were required to wear uniforms, it would increase a sense of community and harmony in our schools and it would instill a sense of discipline in our students. Another positive effect would be that teachers and administrators would no longer have to act as clothing police, freeing them up to focus on more important issues.
This paragraph best supports the statement that

The figure below shows a "size 3" equilateral triangle divided up into 9 "size 1" equilateral triangles. The figure has 6 upward facing and 3 downward facing "size 1" equilateral triangle 3 upward facing and no downward facing "size 2" triangle and 1 upward facing "size 3" triangle. It has a total of 13 equilateral triangle of all sizes.

The following size 6 triangle is divided up in the same way. What is the number of triangle that had the marked point on a side or a vertex?

Professor absent minded has a very peculiar problem, In that he cannot remember number larger than 15. However he tells his wife I can remember any number up to 100 by remembering the 3 numbers obtained as remainders when the number is divided by 3, 7 and 11 respectively. For example (2, 3, 6) is 17. Professor remember that he had (2, 4, 8) rupees in the purse. And he paid (2, 5, 4) rupees to the servant. How much money is left in the purse?

A, B, C, D and D each choose a large different number. A says, "My number is not the largest and not the smallest". B says, "My number is not the largest and not the smallest". C says, "My number is the largest". D says, "My number is the smallest". E says, "My number is not the smallest". Exactly one of the students is lying. The others are telling the truth. Who has the largest number?

A village milkman carries out adulteration of milk with water make higher profits. He has two cans, one with water and another with pure milk. He pours from can No. 1 into can
No.2 sufficient to double its contents. He again pour from N0.2 into No.1 enough of mixture to double the contents. He again pour from No.1 into NO.2 to double the contents of No.2
and find the same number of litres of milk in each can although there is one more of water No.2 than there is milk.How much more water than milk is there in can No.1?

The rupee/coin changing machine at a bank has a flaw. It gives 10 ten rupee notes if you put a 100 rupee note and 10 one rupee coins if you insert a 10 rupee note but gives 10 hundred rupee notes when you put a one rupee coin!
Sivaji, after being ruined by his rivals in business is left with a one rupee coin and discovers the flaw in the machine by accident. By using the machine repeatedly, which of the following amounts is a valid amount that Sivaji can have when he gets tired and stops at some stage (assume that the machine has an infinite supply of notes and coins):