Question
60 percent of first number is equal to 40 percent of the
second number. What is the respective ratio of the first number to the second number?Solution
Let the first number be x and the second number be y. According to the question, => 60% of x = 40% of y => x/y = 40/60 So, required ratio = x : y = 2:3
If a + b + c = 12 and ab + bc + ca = 47, and a, b, c are real numbers, find the value of a³ + b³ + c³ − 3abc.
If a + `1/b` = 1 and b + `1/c` =1 , then the value of c + `1/a` is
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= 2 then find In a best-of-two chess match between Player X and Player Y, the probability that Player X wins a game is (5/9), and the probability that Player Y loses ...
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For a =-4 and b = 5, value of a² – b² is:
