Question
Which is the most effective and piratical way to raise
the PH of acid soil?Solution
The correct answer is B
The ratio of the length to the breadth of a rectangle is 5:7. If the sum of the length and breadth of the rectangle is 60 cm, find the area (in cm²) of...
Measure of each interior angle of a regular polygon can never be?
Four persons ‘A’, ‘B’, ‘C’ and ‘D’ have different amounts with them. ‘D’ has twice amount th...
A circle has a radius of 21 cm and the area of its sector is 308 cm². Find the angle subtended by the arc at the center of the circle. (Use π = 22/7)<...
A wire is bent to form a square whose sides are of 55 cm. If the same wire is bent to form a circle, then find the area (in cm2) of the circl...
The perimeter of a rectangle is 80 cm. The side of a square is equal to the average of the length and breadth of the rectangle. Find the area of the squ...
On a circular racetrack that measures 4,000 meters in circumference, Kia and Sia begin a race at the same point and at the same time, traveling at speed...
The surface area of water in a swimming pool forms a rectangle with length 30m and breadth 12m. The depth of water increases uniformly from 1.4m to 2.6m...
Rahul spends some part of his income and saves the remaining part. The ratio of his expenditure and saving is 3 : 4 respectively. If Rahul’s income i...
- A circular wheel makes 80 revolutions to cover 7.04 km. What is its diameter? (Take π = 22/7)
