The cost of manufacturing a popular model car is made up of three items:cost of raw material,labour and overheads- in a year the cost of three items were in the ration of 5:4:2 respectively, next year the cost of the raw material rose by 10% ,labour cost increased by 8% but overhead reduced by 5%.then %increase in the price of the car ?
Students attend our lectures, not because the mathematics we teach â€˜makes lots of funâ€™ for us, but because they believe they can learn some essential knowledge from us. And each of our young students has only one life to live. We should therefore be a
H. Behnke
"Mathematics is just a game of greatest fun so every one should play it "