Question

1.A heap of wheat is in the form of a cone whose diameter is 10.5 m and height is 3 m. Find it volume. If 1cm3 wheat cost is Rs 10, then find total cost.


2.The curved surface area of a cylinder is 154 cm2. The total surface area of the cylinder is three times its curved surface area. Find the volume of the cylinder.  


3.A right angled A ABC with sides 3 cm, 4 cm and 5 cm is revolved about the fixed side of 4 cm. Find the volume of the solid generated. Also, find the total surface area of the solid.


4.A shopkeeper has one spherical laddoo of radius 5 cm. With the same amount of material, how many laddoos of radius 2.5 cm can be made ?



5.A sphere and a right circular cylinder of the same radius have equal volumes. By what percentage does the diameter of the cylinder exceed its height ?


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Answer 1

Step-by-step explanation:

प्लीज वेटिंग फॉर क्वेश्चन सॉल्व मैं भी एक क्वेश्चन सॉल्व करें उसके बाद मैं आपको आंसर दे दूंगी कौन सा सब्जेक्ट है