Q2. An article is sold at 30% profit. Had it been sold at Rs. 155 more than previous selling price and the cost price were also increased by Rs. 100 then profit percent would have been 5% more. Find CP of the article.
(a) Rs. 500
(b) Rs. 400
(c) Rs. 460
(d) Rs. 480
(e)none of these
Q3. Anand marks up the price of an article by 50% and then allows a discount of 20% and sells it to Balaji. Balaji sells it for Rs. 20 more than what he purchased for, this S.P is 30% more than the original C.P. of the article. Then Balaji’s profit% is (rounded off to two decimal places).
(a) 7.5%
(b) 6.66%
(c) 8.34%
(d) 9%
(e) 10.25%
Q4. Four persons started to do a work together. ‘A’ works only in starting two days after that B, C and D works alternately starting from B. Ratio of time taken by A, B, C and D, if they work alone is 4 : 3 : 2 : 5. If the work is completed in 12 days then in how many days A and C can complete the work if they work together ?
(a) 6 days
(b) 12 days
(c) 10 days
(d) 8 days
(e) None of these
Q5. 2n years ago, the age of Raju was four times that of his son and n years ago, the age of Raju was thrice that of his son. If n years later, the sum of the ages of Raju and his son will be 80 years, then the difference in the ages of Raju and his son is
(a) 20 years
(b) 40 years
(c) 24 years
(d) 30 years
(e) 35 years
Solutions:
. . .