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6181.If y is directly proportional to x², and when x = 2, y = 20, what is the value of y when x = 3?
6182.Three years ago, the average age of a family of 5 members was 17 years. A baby having been born and the average age of the family is the same as three years ago. The present age of the baby (in years) is _____?
6183.The value of (1+1/x)(1+1/(x+1))(1+1/(x+2))(1+1/(x+3)) is equal to _____?
6184.If 1/5 of 3000 keyboards are out of order, how many remain functional?
6185.If $1000 is deposited in a savings account with a 2% annual interest rate, what will be the total interest after 3 years (simple interest)?
6186.The angle of elevation of the top of a tower from a point 20 m away from its base is 45 °. What is the height of the tower?
6187.If a square has a side length of 5 cm, what is its area?
6188.What is the ratio of 400 meters to 2 kilometers?
6189.What Is The Value Of √1 x9/16 = ___?
6190.8 machines can do a piece of work in 10 days. How long will it take 16 machines to do the work?