While selling an article, a shopkeeper gives a discount of 5%. If he gives a discount of 7%, he earns Rs.15 less as profit. The marked price of the article is -

A man travel from A to B at 20 km/Hr. and come back from B to A at 30 km/hr. Find the average speed of the whole journey.

The radii of three concentric circles are in the ratio of 4 : 5 : 7. What is the ratio of the area between the two inner circles to that between the two outer circles?

Direction: Study the pie chart carefully and answer the given questions. The pie chart shows the percentage breakup of students in different classes from VI to X in the year 2017

If in 2018, the total number of students in class VI and class VII is increased by 10% each and the total number of students in class VIII is decreased by 20% then what is the difference between the total number of students in class VI and VII together in 2018 to that of the total number of students in class VIII in 2018?

A can do a piece of work in 24 day, B in 32 days and C in 64 days. All begin to do it together, but A leaves after 6 days and B leaves 6 days before the completion of the work. How many days did the work last?

The smallest positive integer, which when multiplied by 392 gives the product a perfect square number, will be :

If one of the equal angles of an isosceles triangle is 65°, then the angle at the vertex is

Study the graphs to answer these questions.
The pie chart shows the percentage of graduate employees in various department of M/S XYZ limited.
The employees in various departments of M/S. XYZ limited. Other than graduate employees are those employees who are either post graduate or undergraduates.

The number of graduate employees in Administration and Production together is how many times other than graduate employees in Marketing and Finance together?