Question

30 किमा तथा अनुकूल 2 किमा जान
A boat is rowed up stream 40 km and down stream 45 km in 13 hours. It also rowed up stream
30 km and down stream 27 km in 9 hours. Find the speed of the boat and that of the stream.
[Ans. Speed of the boat = 7 km. per hour, and Speed of the stream = 2 km. per hour]
की दिशा में 100 किमी जाकर 30 किमी लौट आती है। यदि मोटर-बोट
A
TTD​

Answer 1

Step-by-step explanation:

6. The total surface area of a right cone is 1,760 cmand the radius of its base is 14 cm. Find the

following for the cone.

(a) height