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Seies = 3, 7, 12, 21, 57, 109, 276, 499 Logic : the series is based on double difference Pattern: First difference is cube of numbers and it is in alternate places Second difference is of square of the numbers and it is in alternate places as well. Series of difference = 4, 5, 9, 36, 52, 167 , 223. Series of double difference = 1, 4, 27, 16, 115 , 56. Instead of 115, 125 will be placed.
Numan does half as much work as Gagan in four-fifth of the time. If together they take 16 days to complete a work, how much time shall Gagan take to do it?
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A and B together can complete a task in 10 days, B and C can do in 15 days, and C and A together can do it in 12 days. How long will they take to compl...
A person from the top of a hill observes a vehicle moving towards him at a uniform speed. It takes 10 minutes for the angle of depression to change from...
In a 200 m race, P beats Q by 35 m or 7 seconds. What is P's time over the course?
