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Start learning 50% faster. Sign in now∠ AOP = 98° ∠ POB = (180° - 98° ) = 82° Δ POB = ∠ P = ∠ B (Isosceles triangle) ∠ POB = 82° Δ ΡΟΒ = ∠ POB + ∠ OBP + 2 BPO = 180° 180° = 82°+ 2 x ∠ OBP 98/2 = ∠ OBP 49° =∠ OBP ∠ OBP =49° 
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 ...
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260 metre long train ‘A’ can cross a platform of length 180 metres in 16 seconds. If the speed of train ‘B’ is 6 m/s more than that of train ‘...
Robert started his journey on Monday and travelled at constant speed. Next day by 10.30 am, he had covered 4/7 of his whole journey and on the same day ...
A motorcyclist travels the first half of his trip at a speed of 4x km/h and the second half at a speed of 4x – 10 km/h. If his ...
Bus P takes 30 minutes to cover a distance of 60 km. If bus Q is 20% faster than bus P. Find the time taken by bus Q to cover the same distance?
A train covers a certain distance at a speed of 60 km/h and the next same distance with a speed of 75 km/h and the next same distance with a speed of 10...
A bus initially traveling at a speed of 55 km/hr increased its speed by 12 km/hr after ‘t’ hours and then traveled for (t + 6) hours more. If the bu...
Person 'A' begins a journey from Punjab to Delhi, driving initially at 120 km/hr. Every 36 minutes, he reduces his driving speed by 5 km/hr. If the dist...
