For the following questions answer them individually
A milkman purchases milk at ₹'a' per litre and sells it at ₹1.5a per litre. Still he mixes 2 litres water with every 9 litres of pure milk. What is his profit percentage?
A train 200 m long running, at a speed of 36 km/h, takes 55 seconds to cross a bridge completely. What is the length of the bridge?
Visitors to a show were charged ₹10 each on the first day, ₹5 on the second day and ₹2 on the third day and the total attendance on the three days was in the ratio 15 : 2 : 3. What is the average charge per person for the visitors to the show on the three days taken together?
By selling 120 mangoes, a shopkeeper gains the selling price of 20 mangoes. Find his profit percentage.
The average of a set of fifteen numbers is 12. If 7 is added to each of the numbers in the given set, then what will be the new average?
As announced in the Union Budget of FY 2022, how many pilot projects are to be set up for coal gasification?
