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3751.In a competitive exam, each correct answer gets 3 points and each wrong answer gets 1 point dedicated students score 210 from 110 questions. How many answer were wrong?
3752.If r = -2, then what is the value of the function f(r) = r³ - 4r + 8?
3753.The length of a rectangular plot is thrice its breadth. If the area of the rectangular plot is 867 sq m, then what is the breadth of the rectangular plot?
3754.What is the Arithmetic Mean of the following data: 6, 12, 18, 24, 30?
3755.When 7 is added to a X number, the resulting number is 77. The product of 7 and number X is?
3756.Which of the following is a prime number? 12, 15, 9, 17
3757.If 8^a = 16^b, then the ratio of a to b is _____?
3758.An expression consisting of two terms is called ______?
3759.The present age of a father is 3 years more than three times the age of his son. Three years hence, father’s age will be 10 years more than twice the age of the son. The father’s present age is?