A vertical stick 12 cm long casts a shadow 8 cm long on the ground. At the same time, a tower casts a shadow 40 m long on the ground. The height of the tower
A tiger is 50 of its own heaps behind a deer. The tiger takes 5 heaps per minute to the deer’s 4. If the tiger & the deer cover 8 m & 5 m per heap respectively. What distance will the tiger have to run before it catches the deer?
X can do a work in 3 days, Y does three times the same work in 8 days, and Z does five times the same work in 12 days. If they have to work together for 6 hours in a day, then in how much time can they complete the work?