Question
How many numbers lie between 2000 and 3000 divisible by
5 can be made with the digits 2, 3, 4, 5, 6, 7 and 8 without repeating any digit?Solution
Divisible of 5 means unit place must have 5 (since 0 is not in the list). And thousands place will always be 2. This leaves us with 5 digits (3, 4, 6, 7, 8) to be filled in 2 places (2 _ _ 5). This can be done in 5P2 ways or 20 ways. So 20 numbers can be formed.Â
Which of the following pair lives on perfect cube-numbered floors?
Who among the following live on the Even floor?
I. O
II. K
III. L
Who lives in Flat-A of 3rd floor?
Which of the following box contains Kiwi?
On which floor does the person live who likes Mahindra?
Three of the following four options are alike in a certain way based on the Alphabetical series. Which one among the following doesn’t belong to the g...
Who among the following lives immediate above the vacant flat?
Four out of five pair follow a certain rule and thus form a group, then which of the following pair doesn’t belong to that group?Â
...Which of the following box is kept just below the box which contains Guava?
Which of the following exam held on Thursday?
Relevant for Exams:
