For the following questions answer them individually
A shopkeeper sells an article at a certain price. What is his gain or loss percent, if by selling it at 75% of that price, he loses 10%?
A man can row downstream a distance of 9 km in 2 hours and takes 6 hours while returning to the starting point. What is the speed (in km/h) of the stream?
The average weight of a certain number of students in a group is 54 kg. if 12 students of average weight 52 kg join the group, then the average weight of all the students in the group decreases by 750 g. What was the number of students, initially in the group?
Surbhi can do a piece of work in 24 days. She completed $$\frac{3}{8}$$ of the work and then left it. Amita complete the remaining work in 10 days. Working together, they will complete 125% of the same work in:
Study the following table and answer question.Â
Number of students appeared in an examination from five cities:
The ratio of the total number of students passed in the examination from cities A and D to that of students failed from cities B and E?
The ratio of ages of A and B, 4 years ago, was 5 : 7. The ratio of their ages after 4 years from now will be 7 : 9. What will be the ratio of ages of A and B after 12 years from now?
The surface area of a cuboidal box is 240 $$cm^2$$ and the length of its diagonal is 11 cm. What is the sum (in cm)of its length, breadth and depth?
The area of an equilateral triangle is $$6\sqrt{3}$$ times the area of a rhombus whose one side measures 13 cm and one diagonal is 10 cm. The length of side of the triangle, in cm, is:
Let x be the least number which when divided by 12, 15, 18, 20 and 27, the remainder in each case is 2, but x is divisible by 23. If x is divided by the sum of its digits then the quotient is:
Two trains A and B,186 m and 200 m long are running at 64 km/h and 80 km/h, respectively on parallel tracks. If they are running in the opposite directions, then how much time(in seconds) will a person sitting in the first train A take to cross the other train?