Four people need to cross a dark river at night. * They have only one torch and the river is too risky to cross without the torch. * There is only enough torch light for two people to cross at a time. * Speed of each person of crossing the river is different.cross time for each person is 1 min, 2 minutes, 7 minutes and 10 minutes. What is the shortest time needed for all four of them to cr

A school bus is stopping in a poor area of the city. Some children are running towards the bus. They want to look inside. They’re happy and excited. The children feel …………………… to see the school bus.

Japan’s heavy-smoking population marks World No-Smoking Week with a cough at just how little progress the country has made in addressing the health risks of tobacco. The annual event has always been something of a joke in Japan, which is arguably the last sanctuary for smokers in the developed world. World No-Smoking Week in Japan is…?

Alpacas are like small llamas. Alpacas don’t work, but people in Peru use alpaca hair to make ponchos, sweaters, socks, hats and scarves. What do people in Peru use to make sweaters and hats?

Chalon Sombrero is a mountain in Peru. It is about 5,000 metres high and the weather on the mountain is dry and cold. Snow from the mountain brings fresh water to many villages in the area. This water is important for the people from the villages and their animals – alpacas. Do people live near Chalon Sombrero?