allery3 cm × 4 cm × 12 cm माप वाले एक घनाभ के सबसे लंबे विकर्ण की लंबाई क्या है?
A13 cm
B19 cm
C15 cm
D11 cm
Answer & Solution
Correct answer: A. 13 cm
विकर्ण 9 + 16 + 144 का वर्गमूल है, जो कि 169 का वर्गमूल अर्थात 13 cm है।
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?