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Let the incomes of Vineet and Vidya be Rs. 8x and Rs. 5x respectively. According to the question, => 0.75 x 8x + 0.8 x 5x = 45000 => 6x + 4x = 45000 => x = 4500 Required difference = 8x – 5x = 3x = Rs.13500
The total area of a circle and a square is 5450 cm2; the diameter of the circle is 70 cm, what is the difference between the circumference of...
A solid spherical gold ball having a radius of 10 cm is melted to form smaller balls of radius 5 mm each. Find the number of such...
The length, breadth and height of a storeroom are 15m, 8m and 9m respectively. If each box occupies 40 m3 of space, then how many boxes can b...
In a right-angled triangle PQR, right-angled at Q, the length of the side PR is 17 units, length of the base QR is 8 units, and length of the side PQ i...
If X : Y = 5 : 4, then what is the value of X + Y : Y?
A giant circular wheel has a diameter of 56 metres. In how many revolutions will the wheel cover a total of 52.8 km?
Curved surface area of cylinder is 1617 cm2. If ratio of radius to height of the cylinder is 25:21 respectively, then find the base area of t...
The radius and height of a right circular cone are in the ratio 3: 4. If its curved surface area (in cm²) is 240 π, then its volume (in cm³...
What is the difference between (in m2) the area of a circular field of radius 14 metres and area of a rectangular piece of land having its di...
If the radius of the base and the height of a right circular cone are increased by 10%, what is the approximate percentage increase in volume?
