Question
What approximate value will come in place of the question
mark (?) in the following question? (Note: You are not expected to calculate the exact value.) (73.4 ÷ 1.8) + (66.5 ÷ 2.2) = ?Solution
ATQ,
73.4 ÷ 1.8 ≈ 72 ÷ 2 = 36
66.5 ÷ 2.2 ≈ 66 ÷ 2 = 33
⇒ 36 + 33 = 69
Two trains of same length are running in parallel tracks in the same direction with speed 84 km/hr and 120 km/hr respectively. The latter completely cro...
1000 metres long train crosses a man who is moving in the same direction with a certain speed, in 25 seconds. If the same train can cross a tree in 20 s...
A train running with a speed of 99 km/hr can cross a pole in 13 seconds and a platform in 17 seconds. Find the length of the platform.
A train takes 5 seconds more to cross a 180-metre-long platform than it takes to cross a pole. If a car running at the speed of 42 m/s takes 80 seconds ...
- Length of a train, whose speed is 54 km/h, is 270 metres. Find the time taken (in seconds) by train to cross a bridge of length 330 metres.
Two trains of equal lengths are running on parallel tracks in the same direction at 46 km/hr and 36 km/hr respectively. The faster train passes the slow...
A train 450 metres long is running at a speed of 54 km/hr. If it crosses a tunnel in 1 minute, then the length of the tunnel (in meters) is:
Two trains of equal lengths take 20 seconds and 30 seconds respectively to cross a telegraph post. If the length of each train be 240 metres, in what ti...
- Two trains ‘A’ and ‘B’ of length 480 metres and 320 metres respectively are travelling towards each other. Ratio of speed of ‘A’ to ‘B’ is ...
Two trains A and B, were proceeding in the same direction on parallel tracks at 23 km/hr and 77 km/hr respectively. A man noticed that it took exactly 1...