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Let the radius of two cones r1 and r2. Volume of cones = 1/3× πr2h The volume of two cones = volume of a sphere 1/3× πr12 h +1/3× πr22 h = (4/3) π ×r3 π/3×9h +π/3×16h = 4π/3 ×125 π/3[9h+16h] =4π/3 ×125 25h = 4×125 h=20cm
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Amit covered 360 kilometers in total trip time. He covered the remaining 200 km on a bicycle at a speed that was 5 km/h slower than that of the bus afte...
If a car runs at 40 km/hr, it reaches its destination late by 14 minutes but if runs at 50 km/hr it is late by 8 minutes. What is the correct time for t...
Arjun, cycling at a speed of 81 km/hr, can complete one round of a square field in 8 seconds. The radius of a circular field is 4 meters more than each ...
Person 'A' left the college at 7 PM at 65% of the original speed. After 30 minutes, he reached the grocery store, picked up a bag...
A and B are travelling towards each other with a speed of 15 km/hr and 30 km/hr. If they started at same time and A covered 25 km less distance than B b...
A driver of truck sees an ambulance 160 meters ahead of him. After 20 seconds the ambulance is 140 meters behind. If the speed of the truck is 80 kmp/h,...
