allery7 cm ବ୍ୟାସାର୍ଦ୍ଧର ବେଳନରେ 30 cm ଗଭୀର ଜଳକୁ 22 × 15 cm ଭୂମିର ଖାଲି ଟାଙ୍କିରେ ଢାଳିଲେ ଗଭୀରତା କେତେ? π = 22/7।
A7 cm
B28 cm
C21 cm
D14 cm
Answer & Solution
Correct answer: D. 14 cm
ସ୍ଥାନାନ୍ତରିତ ଭଲ୍ୟୁମ୍ ହେଉଛି (22/7) × 7² × 30 = 4620 cm³, ଗଭୀରତା 4620 ÷ (22 × 15) = 14 ସେମି |
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