A sum of money at simple interest amounts to ₹2,500 in three years and ₹3,000 in five years. What is the rate of interest (correct up to two decimal places)?
The marked price of a speaker is ₹520 and the shopkeeper offers a discount of 10% and still he gains 17%. If no discount is allowed, then find the gain percentage.
Study the given bar graph carefully and answer the question that follows.
The bar graph given below gives the data of production of paper (in lakh tonnes) by 3 different companies X, Y and Z over the years 2015 to 2018.
In which year was the percentage of production of company Y to the production of company Z the maximum?
A policeman travelling at a speed of 120 km/h chases a thief 5000 m away from him, and travelling at a speed of 100 km/h. What is the time taken by the policeman to catch the thief?
The curved surface of a right circular cylinder is to be coloured at the rate of Rs.1.50 per sq.cm. If the radius of the circular base is 21 cm and height is 10 cm, then what will be the cost of colouring ?
The height of a cylindrical pillar is 20m. The diameter of its base is 350cm. What will be the cost of painting the curved surface of the pillar at 40/sq.m. ?
The average salary of all 50 employees including 5 officers of a company is ₹855. If the average salary of the officers is ₹2,550, find the average salary of the remaining staff of the company. (Rounded to the nearest integer.)
