1- A jogger running at 9 kmph alongside a railway track in 240 metres ahead of the engine of a 120 metres long train running at 45 kmph in the same direction. In how much time will the train pass the joɡɡer? 36 sec

2- Three flags each of different colours are available for a military exercise, Using these flags different codes can be generated by waving I. Single flag of different colours II. Any two flags in a different sequence of colours. III. three flags in a different sequence of colours. The maximum number of codes that can be generated is. 15

3-Two trains are moving in opposite directions 60 km/hr and 90 km/hr. Their lengths are 1.10 km and 0.9 km respectively. The time taken by the slower train to cross the faster train in seconds is      ? 48

4-A train passes a station platform in 36 seconds and a man standing on the platform in 20 seconds. If the speed of the train is 54 km/hr, what is the length of 240

5-A train 240 m long passes a pole in 24 seconds. How long will it take to pass a platform 650 m long? 89 Sec

6-Co-ordinates of Origin are:                      ? (0,0)

7-Twelve children take sixteen days to complete a work which can be completed by 8 adults in 12 days. After working for 3 days, sixteen adults left and six adults and four children joined them. How many days will they take to complete the remaining work ? 6 days

8-zero is a                     number? whole number

9-A Quadrillion has                    zeros? 15 zeros

10-Who is known as the Father of Geometry? Euclid

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