A square medieval castle on a square island is under siege. All around the castle there is a square moat 10 meters wide. Due to a regrettable miscalculation the raiders have brought footbridges, which are only 9.5 meters long. The invaders cannot abandon their campaign and return empty-handed. How can the assailants resolve their predicament?
Two friends hit the accelerator of their respective cars at the same time. Both of them have the same amount of petrol in their respective cars at the time they start. One can drive for 4 hours and the other can drive for 5 hours. After driving for a while, they analyse that the amount of petrol left in one of their cars is 4 times that of the petrol left in other car.
Can you calculate how long they have been driving their respective cars ?
In your pocket you have £3.78.
It is made up of four different denominations of coins and the largest denomination is 50p.
You have exactly the same number of each coin.
How many of each coin is there and what are their values?
A piggybank contains £10.05.
There is exactly the same number of each coin.
A fish shop with odd pricing sells fish for the following prices: A trout costs Rs. 200, a salmon is Rs. 190 and a plaice comes in at Rs. 160. Using their pricing logic, how much would they charge for a mackerel?
