Privacy Policy

Terms & Conditions

See Details We use cookies to personalise content and ads, to provide social media features and to analyse our traffic. We also share information about your use of our site with our social media, advertising and analytics partners who may combine it with other information you've provided to them or they've collected from your use of their services.
If there are 4 empty seats in a theatre, how many combinations are there for the number of ways 4 people could sit in these seats?
[Ref: ZBAA]
Hint: Try labelling the people A, B, C and D.
Answer: 24.
Think of naming the people A, B, C and D. If A sat on the left then the others could sit in one of these ways: BCD, BDC, CBD, CDB, DBC, DCB  6 ways. But any one of the four could sit on the left seat, so we must multiple our answer by 4, giving 24.
Puzzle 1202
If Mario can eat 110 cakes in 10 minutes and Kev can eat 56 cakes in 8 minutes, how long will it take Mario and Kev to eat 954 cakes?
Hint: There are 5280 feet in a mile, 8 furlongs in a mile and 3 feet in a yard.
Answer:
Square feet in half a square mile.
There are 13,939,200 square feet in half a square mile and 10,648,000 cubic yards in a cubic furlong.
Puzzle 1204
Is the following equation correct? If so, how:
8 + 8 = 91
[Ref: ZNSI]
Hint: Think laterally.
Answer: Yes.
Turn the equation upside down:
16 = 8 + 8.
BrainBashers™ is a trademark.
We use cookies to personalise content and ads, to provide social media features and to analyse our traffic. We also share information about your use of our site with our social media, advertising and analytics partners who may combine it with other information you've provided to them or they've collected from your use of their services.
For more information please view our privacy policy. By using the site you also agree to our terms and conditions.