A person from point F drives towards south for 3km to reach point B, where he takes a left turn and drives for 12km to reach point H. Then he takes a right turn and drives for 8km to reach point R from where he turns to his right again and drives for 6km. He […]
The ratio of length and breadth of a rectangle is 3 : 2 respectively. The respective ratio of its perimeter and area is 5 : 9. What is the breadth of the rectangle in metres ? Sol: Let the length and breadth of the rectangle be 3x and 2x respectively Then, Perimeter = 2 (3x
Find the breadth and the perimeter of the rectangle if its area is 96 cm2 and the length is 12 cm. A. 10 cm, 40cm B. 12 cm, 42cm C. 8 cm, 40cm D. 12 cm, 40cm Sol:
The length of a rectangle is twice its breadth. The perimeter of the rectangle is 120 cm. Find the length and breadth of this rectangle. Also find its area, Sol: Let the breadth of the rectangle is b cm .So, the length of the rectangle is 2b cm We know that the perimeter of rectangle
Total surface area of a cube is 600 sq cm. So the perimeter of each of its faces is ______. Sol:
Total surface area of a cube is 600 sq cm. So the perimeter of each of its faces is __. Read More »
The length of a rectangle is 3 units more than breadth and perimeter is 22 units. Find the breadth and length of rectangle Sol: Let breadth= x units Length= x+3 units Perimeter= 2(l+b) 22= 2(x + x+ 3) 22/2 = 2x+3 11= 2x+3 11-3 = 2x 8= 2x 8/2 = x x= 4.
Ratio of length of a rectangle is 3:2. If the length of the rectangle is 5m more than the breadth, find the perimeter of the rectangle. Sol: Ratio of length and breadth of a rectangle =3:2 Let length =2x m and Breadth =2x Also, I of rectangle is 5m more than the breadth
A jar contains a mixture of milk and water in the ratio 4:3, respectively. If 4-litres of the mixture is taken out, then the quantity of water left in the mixture will be 39 litres. Find the original quantity of the mixture in the jar. Sol: Total quantity of mixture after removing 4-litres = 39
A Jar contains 5x litres of the mixture of milk and water in the ratio of 3: 2 and 20 litres of the mixture is taken out. Then added 24 litres of the water in the remaining mixture, the ratio of the milk and water becomes 1: 2. Find the value of x? A.15 B.10
A Jar contains 90 litres of the mixture of milk and water in the ratio of 5: 4 and 45 litres of the mixture is taken out. Then added x liters of the water in the remaining mixture, the ratio of the milk and water becomes 2: 3. Find the value of x? A.18 B.17.5
