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When the length of the shadow of a pole is equal to the height of the pole, then the elevation of source of light is:

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Important Questions on Miscellaneous

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If I set out from my office at quarter past six and reach the station at half past seven, then I will be 10 min earlier than the person who is 15 min late to the train. At what time does the train start?
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If 8th June 2006, is Thursday, then which day would be 15th August 1947 ?
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Fifty kids are standing in a circle and one of them is having a ball. The ball is passed counter clockwise, skipping 0,1,2,3,4, and so on, respectively, that is, the 1st kid gives it to the 2nd kid, then 2nd kid gives it to 4th kid, then 4th kid gives it to 7th kid, and so on. After how many hands change will the ball be back to the 1st kid?
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Jappi and Diksha are playing a card game involving green and red cards. They get 3 points every time they draw a green card and 5 points every time they draw a red card. The winner is the first one to reach 50points. At one stage, Diksha has 41 points. Which of the following could not be the total number of cards drawn by Diksha at that stage?
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If the rate of change of the length of a rectangle is 5 m/s and the rate of change of breadth of the same rectangle is 3 m/s, then the rate of change of area of this rectangle, when length =10 m and breadth =2 m, is:
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A cube of side of 4 cm is painted on all 6 faces with the same colour. It is then broken up into smaller cubes, each of side 1 cm. What is the proportion of the number cubes with no paint to the number of cubes with exactly one side painted to those with exactly two sides painted?
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The following data are available for the monsoon season of the Hyderabad racing club. The data is for a total of ' y ' days. - There were races on 11 days - morning or evening. - Whenever there was a race in the morning, there was no race in the evening. - There were 8 mornings without any race. - There were 5 evenings without any race. What is the value of y ?
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A gathering of a certain number of families consists of people of two generations only. It is known that the number of families is less than the number of girls, the number of girls is less than the number of boys, and that the number of boys is less than the number of parents. If the minimum number of single parent families is two, then what is the minimum number of families in the gathering, given that no family has more than three children?