For the following questions answer them individually
A bought a toy at a discount of 35%. If he paid ₹975, then find the marked price of the toy.
The marked price of 42 items was equal to the cost price of 70 items. The selling price of 25 items was equal to the marked price of 21 items. Calculate the percentage profit or loss from the sale of each item.
The following pie chart describes the number distribution of research scholars department wise in a university. The strength of scholars of which two given subjects exceeds the combined strength of the scholars from Physics and Mathematics?
Priya covers a certain distance by her car at a speed of 21 km/h and returns at a speed of 17 km/h. What is her average speed during the travel?
The average weight of 8 men is increased by 2 kg when one of them, whose weight is
90 kg, is replaced by another man. What is the weight of the new man?
The population of a city increases by 10% annually. If its present population is
21,000,what will be the population in 3 years?
A motorcycle covers 50 km at a speed of 25 km/h. Find the speed of the motorcycle for the next 50 km of the journey so that the average speed of the whole journey will be 30 km/h.