Which Indian cricketer is known as "Brown Bradman"?
Which of the countries has had a prime minister whose name featured the name of his country?
Which of the gulf city was a dependency of Bombay Presidency under British rule for almost a century?
What is the meaning of green chemistry?
ue send s-tmsi in place of ue id in rrc con req, will s-TMSI remain same in case of HO also ?
What is the harm of having strike of nurses
Describe the five ways in witch we use river water?
How many types of Vasanas are there as per Jain Darshan?
What is Re-Validated
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?
In a kitchen there are 11 cupboards some with one door and some with two. There are 15 doors altogether so how many of each cupboard are there?
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