alleryપાણી 30 cm ત્રિજ્યામાં ઊંડું-7 cm સિલિન્ડર ખાલી 22 × 15 cm બેઝ ટાંકી ભરે છે; ઊંડાઈ? π = 22/7.
A7 cm
B28 cm
C21 cm
D14 cm
Answer & Solution
Correct answer: D. 14 cm
સ્થાનાંતરિત વોલ્યુમ (22/7) × 7² × 30 = 4620 સેમી ³ છે, ઊંડાઈ 4620 ÷ (22 × 15) = 14 સે.મી.
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