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I. 7x² + 27x + 18 = 0 7x² + 21x + 6 x + 18 = 0 7x(x + 3) + 6 (x + 3) = 0 (7x + 6) (x + 3) = 0 x = -6/7 , - 3 II. 19y² - 27y + 8 = 0 19y² - 19y - 8 y + 8 = 0 19y(y – 1) – 8(y – 1) = 0 (y – 1)(19 y – 8) = 0 y = 1, 8/19 Hence, x < y
A number becomes 90 more than itself when 120% of it is added to it. What number is obtained after the addition?
The sum of the exponents of the prime factors in the prime factorization of 225 is
Gaurav ate in a restaurant and got a membership discount of 30% on the original bill amount but he has to pay 9% as service tax and 8% service charge on...
How many numbers in the range from 300 to 900 are divisible by 7, 14, and 28?
15% of a number is 1.2. Find that number.
If (3/4)th of a number is subtracted from (5/6)th of that number, then the resultant will be (2/6). Find the number.