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The correct answer is D
The area of four walls of a room is 144 cm2. If the length and breadth of the room were equal and the height of the room is 4 cm, then what i...
Each interior angle of a regular polygon is 140°. Then find out how many diagonals are there?
A train 130 meters long travelling at 54 km/hr crosses the bridge in 30 sec. Then the length of the bridge is:
tan(θ -14π) is equal to:
If (x + 6y) = 8, and xy = 2, where x > 0, what is the value of (x3 + 216y³)?
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...
The length, breadth and height of a storeroom are 12m, 7m and 10m respectively. If each box occupies 40 m3 of space, then how many boxes can ...
The ratio of the breadth to the length of a rectangular field is 3:4. The total cost of cutting the grass of the field at the rate of Rs 12 per m2<...
The mean proportional of a and b is c. What is the mean proportional of a2 c and b2 c?