For the following questions answer them individually
The ratio of the number of boys to that of girls in a school is 5 : 2. If 87% of the boys and 80% of the girls passed in the annual exams, then find the percentage of students who failed in the annual exams.
Aarush and Maahi together can do a piece of work in 10 days. If Aarush alone can do the same work in 15 days, then how many days Maahi alone will take to do the same work?
Swati sold a bag to Ankita at a gain of 15%. Aashi bought this bag from Ankita for Rs.24,840. Ankita earned a profit of 20%. At what price would Swati have bought the bag?
The population of four villages in 4 years is presented in the following table.
What is the average population of village D during all the 4 years?
The following table shows different types of geysers sold by a company over 6 years (numbers in thousands)
Answer the following question based on the table:
The total sales of all the six years are the minimum for which geyser?
The percentage distribution of Anil's expenditures is presented in the given pie chart.
If Anil 's monthly expenditure is ₹65,000, how much money does he spend on Food and Rent?
Geeta runs 5/2 times as fast as Babita. In a race, if Geeta gives a lead of 40 m to Babita, find the distance from the starting point where both of them will meet (correct up to two decimal places).
In a showroom the price of a washing machine is ₹ 65,000. The customer gets cash discount of ₹ 2,000, and gets a scratch card promising percentage discount of 10% to 15%. Determine the difference between the least and the maximum selling prices of the washing machine.
AB is a common tangent to both the circles in the given figure. Find the distance (correct to two decimal places) between the centres of the two circles.
Two trains, running between Bangalore and Chennai, start at the same time from their respective locations and proceed towards each other at the speed of 80km/h and 95km/h. When they meet, it is found that one train has travelled 180km more than the other.The distance between Bangalore and Chennai is _______.