Some amount out of Rs. 12000 was lent out at 10% per annum and the rest amount @ 16% per annum and thus in 5 years the total interest from both the amount collected was Rs. 7200. What is the amount which was lent out at 10% per annum?
Overall interest(SI) = (12000×R×5)/100 = 7200 or R = 12% Using allegation method 
Money lent @ 10% = 2/(2+1) × 12000 = 2/3 × 12000 = Rs. 8000
If the areas of three adjacent faces of a rectangular box which meet in a corner are 12cm2, 15cm2 and 20cm2 respective...
The circumference of the two circles is 198 cm and 352 cm respectively. What is the difference between their radii?
The perimeter of 3 squares is 28 cm, 36 cm and 48 cm respectively. What will be the area of the square having perimeter equal to sum of edges of 3 squar...
Number p is 15% more than 150. If k is 15% less than p, then k is equal to:
On a rectangular wall of length 24 metres and height 19 metres, there is a window in the shape of triangle surmounted on a square. If the base of triang...
The length, breadth and height of a solid cuboidal box are in the ratio 7 : 5 : 3 and its total surface area is 11502cm2. Its breadth is:
A rod is in the form of a circle of radius 35 cm. What is the side of a square into which it can be bent?
The sum of the perimeters of a square and a rectangle is 132 metres. If the sum of the length and breadth of the rectangle is 34 cm, then find the area ...
A sold a mobile phone to B at a gain of 25% and B sold it to Cat a loss of 10%. If C paid 5625 for it, how much did A pay (in) for the phone?
John has finished planting 1/4th of the area of rectangular garden which is 12ft wide. When he finishes planting another 90 sq. ft of the gar...
