Starting from his house, Manish moves 25 km towards southeast and then turns to the west and covers another 7 km. How far (in kilometres) is he now from his house?
A box consist of 5 rupees, 2 rupees and 1 rupee coins and their value are in the ratio of 15 : 4 : 2 respectively. If there are total 112 coins, then how many 2 rupees coins are there in the box?