Last Problem:
There are 3 societies A, B, C. A lent cars to B and C as many as they had already. After some time B gave as many tractors to A and C as many as they have. After sometime C did the same thing. At the end of this transaction each one of them had 24. Find the cars each originally had.
1] A had 21 cars, B had 39 cars and C had 12 cars
2] A had 39 cars, B had 39 cars and C had 12 cars
3] A had 39 cars, B had 21 cars and C had 19 cars
4] A had 39 cars, B had 21 cars and C had 12 cars
Answer:
4] A had 39 cars, B had 21 cars and C had 12 cars
It is actually not as complicated as you might have thought. You might have been tricked by the word trucks in the puzzle. The question only asks about cars.
Today’s Math Problem:
A papaya tree was planted 2 years ago. It increases at the rate of 20% every year. If at present, the height of the tree is 540 cm, what was it when the tree was planted?
1] 432 cm
2] 324 cm
3] 375 cm
4] 400 cm