allery7 cm त्रिज्या असलेल्या एका शंकूचे घनफळ 154 cm³ आहे (pi = 22/7). त्याची उंची किती आहे?
A6 cm
B1 cm
C9 cm
D3 cm
Answer & Solution
Correct answer: D. 3 cm
(1/3)(22/7)(49)h = 154 वरून आपल्याला (154/3)h = 154 मिळते, म्हणून h = 3 cm.
Keep practising Geometry & Mensuration
Browse all Geometry & Mensuration questions for RRB NTPC, or explore more Quantitative Aptitude topics.
Related questions
In three dimensions, what formula gives the volume inside a sphere of radius r?Which algebraic expression calculates the total exterior area bounding a sphere of radius For a circular cylinder of base radius r and height h, which formula gives its volume?Which formula gives the curved side area of a right cylinder with radius r and height h?What geometric solid is generated by rotating a rectangle about one of its sides?What is the longest line segment that can be drawn between two points on a sphere?What metric area corresponds to one million square metres?How many square centimetres are contained in one square metre?