Which Indian cricketer is known as "Brown Bradman"?
Which of the following Pair are not parent and child who have both won the Nobel prize?
Who was the first women nominated member of Rajya Sabha of India?
Who was the first living Indian to feature on a postage stamp of India?
According to the Mahabharata, who was the father of Chitrasena, Vrishasena and Satyasena?
Who is this visiting prime minister and his family?
Which of these renowned dancers became a Member of Parliament in July 2018?
Which former Lok Sabha member from Maharashtra wnet on to become the chief minister of Jammu & Kashmir?
The Chandra X-ray Observatory, a NASA space telescope, was named after which Indian-born scientist?
In the field of medicine, which of these is the correct expansion of the abbreviation ENT?
There are three keys to the three doors with different locks on them.
How many attempts would be needed to determine the exact keys for all the doors under all circumstances?
let us say A B and C locks with a b and c keys
Try two keys on A if the keys are b and c it will not open obviously the key not tried is its key a.Leave it aside.
Again try one key of the left keys b and c (not known) if it opens lock B it is b if does not it is C. so total three attempts.
It can also happen that the first key opens lock A. The second attempt, if it opens lock B it is b if it does not it is c.In this case only two attempt will determine the keys.
It can also happen that the first key does not open lock A but the second does. Keep it aside and try the remainder of b and c on B. If it opens Lock B it is b and if does not it is c. In this case also total attempts are two.
Hence 3 is the answer.
If you are only allowed to press the 1 and 0 keys on a calculator with any of the add, take, times, divide and equals keys, what is the fewest number of presses needed to make the number 9 on the calculator?
Add together three numbers each time to score 45.
Each number can be used as many times as you wish.
How many different combinations are there?
5 10 15 20 25
Add together three numbers to score 20. Each number can be used as many times as you wish. How many different combinations are there?
4 6 8 10 12
Forgot Your Password?
2018 © Queryhome