By selling a pen for Rs. 15, a man loses one-sixteenth of what it costs him. The cost price of the pen is a. `R s .16` b. `R s .18` c. `R s .20` d. `R s .21`

By selling a pen for Rs.15, a man loses one- sixteenth of what it costs him.The cost price of the pen is a.Rs.16 b.Rs.18 c.Rs.20 d.Rs.21

On selling a pen for Rs 100, a shopkeeper gains Rs 15. The cost price of the pen is (a) Rs 115 (b) Rs 85 (c) Rs 70 (d) Rs 130

On selling a pen for Rs 100, a shopkeeper gains Rs 15. The cost price of the pen is (a) Rs 115 (b) Rs 85 (c) Rs 70 (d) Rs 130

A bookseller sells a book at a profit of 10%. If he had bought it at 4% less and sold it for Rs. 6 more, he would have gained 18 3/4% . The cost price of the book is R s .130 b. R s .140 c. R s .150 d. R s .160

When an article is sold for 116, the profit percent is thrice as much as when it is sold for Rs.92. The cost price of the article is R s .68 b. R s .78 c. R s .72 d. R sdot 80

By selling 90 pens for Rs. 80 a man loses 20%. What should be the selling price (in Rs.) of 90 pens for 20% profit?

5 kg of tea and 8kg of sugar together cost Rs. 172. The price of tea has risen by 20% and that sugar by 10%. Hence the same quantities of tea and sugar now cost Rs. 199.20. What is the original price of tea per kg? R s .16 b. R s .18 c. R s .19 d. R s .20