alleryपानी 30 cm त्रिज्या-7 cm सिलेंडर में एक खाली 22 × 15 सेमी बेस टैंक भरता है; गहराई? π = 22/7.
A7 cm
B28 cm
C21 cm
D14 cm
Answer & Solution
Correct answer: D. 14 cm
हस्तांतरित आयतन है (22/7) × 7² × 30 = 4620 सेमी ³, गहराई देते हुए 4620 ÷
(22 × 15) = 14 cm.
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