Answers

2014-06-02T12:41:28+05:30
Q: If three hens lay three eggs in three days, how many eggs does a (statistical) hen lay in one day?A1: One third. (Note: 3 hens = 3 eggs / 3 days → 3 hens = (3 / 3) (eggs / days) → 1 hen = (1 / 3) (egg / days))A2: Zero or one (it's hard to lay a third of an egg).One can argue about the answers of many brain teasers; in the given example with hens, one might claim that all the eggs in the question were laid in the first day, so the answer would be three.Q: Mary's father has five daughters: 1. Nana, 2. Nene, 3. Nini, 4. Nono. What is the name of the fifth daughter?A: Mary. The first four daughters all have names with the first 4 vowels, so if someone does not think about the question, they may say the name with the fifth vowel, Nunu. The answer was given at the beginning of the question (ie.Mary's fatherhas five...)
0
2014-06-02T13:56:11+05:30
You can have them by seaching online NCERT maths book class 7 or 8 last pages many of them
0