1. A train 150 m long passes a km stone in 15 seconds and another train of the same length traveling in opposite direction in 8 seconds. The speed of the second train is :

2. How many times are the hands of a clock at right angles in a day?

3. A man sitting in a train which is at 50 kmph observes that a 150 m long goods train traveling in opposite direction, takes 9 seconds to pass him. The speed of goods train was

4. A train 100 meters long takes 6 seconds to cross a man walking at 5 kmph in a direction opposite to that of the train. Find the speed of the train.

5. A train is running at 60 kmph. A man is going in the same direction on a track parallel to the rails at 45 kmph . If the train crosses the man in 48 sec, the length of the train is:

6. Two trains of 137 mtrs at 42 kmph and 163 mtrs at 48 kmph are running towards each other on parallel lines.What time will they be clear of each other from the moment they meet?

7. If Tom and Jerry had exactly \$1.19 each with them, with different denominations of change. But none could pay me exact \$1. How many total pennies they may have?

8. A watch which gains uniformly is 2 minute slow at noon on Monday and is 4 min 48 sec fast at 2 pm on the following Monday. When was it correct?

9. Cog-wheel of 8 teeth is coupled with a cog-wheel of 24 teeth. How many times the small cog-wheel must rotate around it's axis to complete a circle around the big one?

10. A train 220 m long is running with a speed of 59 kmph. In what time will it pass a man who is running at 7 kmph in the direction opposite to that in which the train is going?

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### Nag Panchami A mix of faith and superstition

NAGPUR The myths may have been busted and laws grown more stringent, but worship of snakes on the fifth day of Shravan month remains mandatory for the believers. The reason for this is that snakes occupy a very significant space in Hindu mythology. The scriptures treat snakes as a community as there is a mention of nag lok, says astrologer and economist KapilChandrayan. Being residents of patallok they are considered to be part of shrishti and have been worshipped by Hindus for protection of their kul (family), he adds. Being part of the ornamentation of Shiv who is extensively worshipped in the month of Shravan, snakes are also worshipped during the sarvaangpuja offered during this period.But most significantly worship of snakes gets prominence in modern astrology because they are considered as rahu and ketu. The head of a snake is rahu and the tail ketu. If all other planets are caught between the head and the tail in a horoscope then it is termed as kaal sarp yog, says Chandrayan and adds that Nag Panchami is the most significant day for performing a kalsarp yog puja.