allery6 cm कोर वाले धातु के एक घन को पिघलाकर 9 cm × 6 cm आधार वाले एक घनाभ में ढाला जाता है। इसकी ऊँचाई ज्ञात कीजिए।
A2 cm
B4 cm
C3 cm
D6 cm
Answer & Solution
Correct answer: B. 4 cm
आयतन 216 cm³ ही रहता है, इसलिए ऊँचाई 216 / 54 = 4 cm है।
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