Multiple choice

If the volume of a rectangular solid is to be increased by 50% without changing its base, its altitude must be- यदि बिना आधार में वृद्धि किये हुये एक आयताकार ठोस के आयतन में 50% की वृद्धि की जानी है, तो इसकी ऊंचाई होनी चाहिए-

  1. cubed/तिगुनी

  2. doubled/दोगुनी

  3. increased by 50%/ 50% की वृद्धि होती है।

  4. increased by 150%/ 150% की वृद्धि होती है।
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Volume = base × height. New volume = 1.5 × original volume. Base unchanged, so 1.5 = new height/old height. New height = 1.5 × old height, which is a 50% increase in height.

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