alleryవ్యాసార్థం-7 సెం.మీ సిలిండర్లో 30 సెం.మీ లోతు నీరు ఖాళీ 22 × 15 సెం.మీ బేస్ ట్యాంక్ను నింపుతుంది; లోతు? π = 22/7.
A7 cm
B28 cm
C21 cm
D14 cm
Answer & Solution
Correct answer: D. 14 cm
బదిలీ చేయబడిన వాల్యూమ్ (22/7) × 7² × 30 = 4620 cm³, లోతు 4620 ÷ (22 × 15) = 14 సెం.మీ.
Keep practising Mensuration
Browse all Mensuration questions for RPF Constable, or explore more Arithmetic topics.
Related questions
Mensuration: choose the measureA circular sector of radius 21 cm has perimeter 86 cm. Find its area; use π = 22/7.A rhombus has diagonals 16 cm and 30 cm. What are its area and perimeter?A trapezium has parallel sides 18 m and 30 m, with height 10 m. Paving costs ₹12 per m². TA full cylinder (r=6,h=8 cm) contains a solid cone of the same r,h. Pour its water into a A radius-7 cm cylinder of height 10 cm has a matching hemisphere on top. Area exposed exclA radius-6 cm sphere is melted into cones of radius 2 cm and height 3 cm, with no loss. HoA hemispherical dome has radius 7 cm. Its curved covering needs how much material? Use π =