A sum of Rs. 5,760 amounts to Rs. 7,200 in 4 years and to Rs. x in 12 years at a certain rate per cent per annum, when the interest is compounded yearly in both the cases. What is the value of x?
What is the radius (in cm) of a circle whose areas is 2(17/30) times the sum of the areas of two triangles whose sides are 20 cm, 21 cm and 29 cm, and 11 cm, 60 cm and 61 cm (take π = 22/7)?
When an article is sold for Rs. 768, the profit percentage is x%. When the same article is sold for Rs. 896, the profit percentage is (x + 20)%. What is the value of x?
The ratio of the number of boys and girls in school B is 6 : 7, and 40% of the students in school D are boys.
The total number of girls in school B and D is:
Total number of students in 5 schools = 5400
A solid metal cube of edge 12 cm is immersed completely in water in a cylindrical vessel whose radius is 20 cm and height is 32 cm, and the water in the vessel is up to a height of 15 cm. The height (in cm) by which the water will rise in the vessel is (correct to one decimal place):
The difference between the number of students in school B and the total number of students in schools D and E is p.
The value of p lies between:
Total students in 5 schools= 5400
