The price of diesel increases by 5% every year. If the current price of diesel is ₹80 per litre, then what will be the price of diesel per litre after 2 years?
A person has some coins of ₹10, ₹5, and ₹2 denominations. The ratio of the products of the numbers of ₹10 and ₹5 coins, the numbers of ₹5 and ₹2 coins, and the numbers of ₹2 and ₹10 coins is 3:4:2 respectively. What could be the minimum amount of money this person has?
A can do a piece of work alone in 30 days. B is 25% less efficient than A, while C is \(33\tfrac{1}{3}\%\) more efficient than B. In how many days can A, B and C, working together, complete the work?
\(\frac{150}{11}\text{ days}\)
\(\frac{120}{11}\text{ days}\)
\(\frac{140}{11}\text{ days}\)
\(\frac{130}{11}\text{ days}\)