Question
(29.98% of 9840) + ? + (19.899% of 8490) =
7560 What approximate value will come in place of question mark (?) in the given equations?Solution
Here the terms of the given expression can also be rounded off as (30/(100 ) ×9840) + ? + (20/100 × 8490) = 7560 2952 + ? + 1698 = 7560 ? = 7560 – 4650 = 2910
The cost of fencing a rectangular field at the rate of Rs. 4/metre is Rs. 280. If the length of the field is 11 metres more than its breadth, then find ...
The cost of fencing a rectangular field at the rate of Rs. 14/metre is Rs. 1176. If the ratio of length to breadth is 4:3, find the area of the rectangu...
A tank 60m long, 45m broad and 18m deep is dug in a ground 2000 m long and 45m wide. By how much will the level of the field rise if earth dug out of t...
A giant circular wheel has a diameter of 14 metres. In how many revolutions will the wheel cover a total of 4.4 km?
The ratio of the curved surface area to the total surface area of a cone is 5:9. Determine the ratio of the radius of the cone to its slant height. (Use...
What is the difference between (in m2) the area of a circular field of radius 21 metres and area of a rectangular piece of land having its di...
A cylindrical tank has a radius of 4 meters and a height of 7 meters. Water is being pumped into the tank at the rate of 10 cubic meters per minute. How...
Find out the volume of a tetrahedron whose side is 6√2 cm³ ?
A solid sphere has a radius of 7 cm. A hemisphere is removed from the sphere. What is the volume of the remaining part of the sphere?
Four persons ‘A’, ‘B’, ‘C’ and ‘D’ have different amounts with them. ‘D’ has twice amount th...