In how many different orders can 3 books be placed on a shelf?
A3
B6
C9
D8
Answer & Solution
Correct answer: B. 6
There are 3 choices for the first place, 2 for the next and 1 for the last, so 3 times 2 times 1 is 6.
Keep practising Days, dates and possible combinations
Browse all Days, dates and possible combinations questions for Olympiad (Class 4), or explore more Reasoning topics.
Related questions
In a 28-day month, how many times does each weekday come?5 June is a Friday. No leap day comes before the next 5 June. What day is 5 June next yearWhich one does not belong with the others: Monday, Friday, April, Sunday?A 28-day February starts on a Sunday. What day is 28 February?A 30-day month starts on a Wednesday. How many Sundays does it have?Raj visits a park every 4 days and Mina every 6 days. They meet today. After how many daysAnu swims on Monday and then every 3 days after that. On which day is her 4th swim?A coin is tossed two times. How many different results can happen?