1 + (1 + 3) + (1 + 3 + 5) +.....= this will be something like : 1 + 4 + 9 + 16 + 25 + 36.... .... (ie. the sum of squares of natural numbers)
and the sum of squares of n terms can be given by : n(n+1)(2n+1)/6
The two parallel sides of a trapezium are 27 cm and 13 cm respectively. If the height of the trapezium is 8 cm, then what is its area in m²?
The ratio of length to breadth of a rectangle is 5:4, respectively. Perimeter of rectangle is 108 cm. If each side of a square is 25% more than the brea...
When the ratio of the length and breadth of the rectangle is given as 3:2. If the perimeter of the rectangle is equal to the perimeter of the square, wh...
The dimensions of a rectangular field are given as follows: the length is (x + 4) cm and the breadth is (x – 2) cm. It costs Rs. 8 per square centimet...
If the two adjacent sides of a rectangle are x cm and x – 10 cm and its perimeter is 72 cm then find its area?
The value of tan2 θ + cot2 θ − sec2 θ cosec2 θ is:
If the volume of a cylinder is 180π and the ratio of radius to its height is 6:5 then find the curved surface area of cylinder?
The area of the rectangular field is 540 m² and its perimeter is 94 m. Find how much percent (approximately) less the breadth of the field is compared ...
The perimeter of a rectangular field is 480 meters and the ratio between the length and breadth is 5:3. The area of the field is:
Two sides of the triangle are 14.8 cm and 10 cm. If height of the triangle corresponding to 14.8 cm side is 8 cm find the area?
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