For the following questions answer them individually
A sum becomes Rs 1392 in 2 years and Rs 1488 in 3 years at simple interest. What is the rate (in percentage) of interest per annum?
Selling price of a table is Rs 2808. If profit percentage is 17%, then what is the cost price (in Rs) of table?
The marked price of a chair is 40% more than its cost price. If the chair is sold for Rs 520 after a discount of Rs 40, then what will be the profit percentage?
X, Y and Z can do a piece of work in 30, 40 and 50 days respectively. All three of them began the work together but Y left 4 days before completion of the work. In how many days was the work completed?
A train is moving at the speed of 72 km/hr. How many seconds will it take to cover a distance of 1400 m ?
The pie chart shows the breakup of expenditure of a mining company for the year 2017. Study the diagram and answer the following questions.
The measure of the central angle of the sector representing Machine Lease is ________ degrees.