यदि किसी घन का किनारा आधा कर दिया जाए तो उसका आयतन मूल आयतन से कितने गुना कम हो जाता है?
A1/3
B1/4
C1/8
D1/2
Answer & Solution
Correct answer: C. 1/8
1.
एक घन का आयतन = (किनारा)^3.
2.
किनारे को आधा करने से आयतन = (किनारे/2)^3 = (किनारे)^3 / 8 प्राप्त होता है।
3.
तो नया खंड मूल का 1/8 है।
_स्रोत: आरआरबी ग्रुप D सीईएन-02/2018 पीवाईक्यू, Q.12._
Keep practising Mensuration
Browse all Mensuration questions for RPF Constable, or explore more Quantitative Aptitude topics.
Related questions
One side of a rhombus is 37 cm and its area is 840 cm². Find the sum of the lengths of itsThe surface areas of three faces of a cuboid sharing a common vertex are 25 m², 32 m² and A wheel travels a distance of 22 km in 2500 revolutions. What is the diameter of the wheelThe edges of a cuboid are in the ratio 1 : 2 : 3 and its surface area is 88 cm². The volumThe line 2x + 3y = 12 has y-interceptThe midpoint of segment joining (2, 3) and (6, 7) isIf sin(theta) + cos(theta) = sqrt(2) and theta is acute, then theta isThe distance between points (3, 4) and (0, 0) is