The cost price of an article is Rs. X. Ambuj marks a new price on it and after allowing a discount of 20% on the newly marked price, he sells it for Rs. 1.2X. He sells a second article whose marked price is twice the marked price of the first article, at a discount of 50%. Find the ratio of the selling price of first article to the second article.
a. 4 : 5
b. 5 : 3
c. 3 : 5
d. 2 : 3
In a competitive exam, 5 marks are awarded for every correct answer and for every wrong answer, 2 marks are deducted. Sathwik and 32 marks in this examination. If 4 marks has been awarded for each correct answer and 1 mark had been deducted for each incorrect answer, Sathwik would have scored 34 marks. If Sathwik attempted all the questions, how many questions were there in the test?
In 75% of the time that B takes to do a piece of work, A does half the work. Together they take 18 days to complete the work. C alone can complete the same work in 24 days. All the three started the work together but B left 5 days before the completion of the work. In how many days was the whole work completed?
Sachin borrows Rs,53000 from a moneylender and promises to pay him the total amount after 6 months at the rate of 20 percent per annum simple interest. Due to non payment after 6 months, the moneylender calculates the simple interest at 30 percent per annum on the principal amount for the overdue period. Find the total amount to be paid by Sachin after 1 year.