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Start learning 50% faster. Sign in now⇒ Volume = (6688/10.5) Now, ⇒ (6688/10.5) = (4/3) × (22/7) × (6 - r ) ⇒ (63 - r3) = (6688 × 3 × 7)/(22 × 4 × 10.5) ⇒ (63- r3) = 152 ⇒ 216 - r3= 152 ⇒ r3= 216 - 152 ⇒ r3= 64 ⇒ r = ∛64 ⇒ r = 4 Now, ⇒ Thickness = 6 - 4 = 2 cm ∴ Thickness of the shell 2 cm
Identify the cases where two objects moving in opposite directions have a relative speed of 30 km/h.
‘A’ and ‘B’ started moving towards each other at same time with a speed of 27 km/hr and 15 km/hr, respectively. If the distance covered by ‘A�...
The speed of two cars A and B are in the ratio of 14:19 respectively. Car A travels 15 km less than the car B in the same time duration. What was the di...
Before servicing, a car runs at a speed of 28 km/hr while after servicing, it runs at a speed of 56 km/h. After servicing the car covers a certain dista...
Ravi must go from Hyderabad to Delhi. The distance between Hyderabad and Delhi is 1,500 km. He decides to travel 25% of the distance on foot, 30% of the...
The speed of a bike increases by 4 km/hr after every 1 hour. If the distance travelled by the bike in 1st hour is 27 km, the find the total distance tra...
A man takes a total of 5 hrs 30 min by walking to a certain place and coming back by cycle. He would have gained 2 hrs 30 min by cycling both the ways. ...
A man travelled a total distance of 150 km. He travelled first 100 km on car with a speed of 20 km/h and rest of the distance on bike whose speed is 10 ...
