In triangle ABC, D and E are points on side AB and AC respectively. DE is parallel to BC. If length of AD, DB and DE are 10cm, 5cm and 6cm. What is the length of BC?
A man purchase 5 horses and 10 ciw for rs 10000. He sells horses at 15% profit and the cows at 10% loss.
thus he gets Rs 375 as profit.
Find the cost of 1 horse and 1 cow separately?.
simple interest on a certain sum of money for 3years at 8%per annum is half the compound interest on 16000rs for 2years at 10% per annum.the sum placed on the simple interest.