51 years ago in Numerical Aptitude

# A hemisphere and a cone have equal bases i.e equal radius. If their heights are also same then, find the ratio of their curved surfaces:एक गोलार्ध और शंकु के पृष्ठ समान (समान त्रिज्याएँ) है। यदि इनकी लम्बाईयां भी समान है, तो उनके वक्र पृष्ठों का अनुपात ज्ञात कीजिये।

[A] 1: √2
[B] √2 : 2
[C] 1: 4
[D] √2 : 1

## Overall Stats

Attempted 7
Correct 2
Incorrect 4
Viewed 1

ram manohar - 2 years ago

ram manohar from Hyderabad, India is saying 1: 4 is correct answer

Nazia Sayed - 3 years ago

Nazia Sayed from Mumbai, India is saying 1: 4 is correct answer

Sayed badruzama - 3 years ago

Sayed badruzama from Mumbai, India is saying √2 : 1 is correct answer

Sanjay Gupta - 3 years ago

Sanjay Gupta from Delhi, India is saying √2 : 1 is correct answer

Mahantesh Janjeer - 3 years ago

Mahantesh Janjeer from Bengaluru, India is saying √2 : 2 is correct answer

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### By selling a Car for Rs.36, 000, Mr. Ram lost 25%. Then the cost price of the Car is :एक कार को 36,000 रु. में बेचने पर, राम को 25% हानि होती है! कार का क्रय मूल्य है:

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### The area of a semi-circle having diameter 28 cm is equal to the area of a rectangle having breadth 11 cm. Find the area of a square having side equal to the length of the rectangle. एक अर्ध वृत्त जिसका व्यास 28 सेंटी मीटर है, उसका कुल क्षेत्रफल एक 11 सेमी चौड़ाई के एक आयत के क्षेत्रफल के समान है| उस आयत के लम्बाई जितनी भुजा होने वाले एक वर्ग का क्षेत्रफल क्या है?

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• [B]

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121 वर्ग सेमी

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