The working principle of a washing machine is November 26, 2019 by mcq a) reverse osmosis b) diffusion c) centrifugation d) dialysis View AnswerOption – c. More QuestionsThe bankers discount on Rs 1800 at 12 % per annum is equal to the true discount on Rs 1872 for the same time at the same rate .Find the time.In how many different ways can the letters of the word ‘POVERTY’ be arranged ?Which compound forms a colored aqueous solution?During Kargil War, Who was the Indian Army chief of staff ?Which famous scientist unknowingly founded the field of spectroscopy?25 divided by 7A motor boat takes 12 hours to go downstream and it takes 24 hours to return the same distance. what is the time taken by boat in still water?Improve the bracketed part of the sentence. The teacher did not ask (any questions to Rinky).Two cards are drawn from a pack of well shuffled cards. Find the probability that one is a club and other in KingA sum is equally invested in two different schemes on CI at the rate of 15% and 20% for two years. If interest gained from the sum invested at 20% is Rs. 528.75 more than the sum invested at 15%, find the total sum?