Question
A positive number, when 15 is added to it, becomes 50
times its reciprocal. Find this positive number.Solution
Let the positive number be 'y'. According to the question,
More No. System Questions
Between what values of x is the expression 19x - 2x2 - 35 positive?
I. 6x2 – 7x - 20 = 0
II. 3y2 - y - 14 = 0
I. 6x² - 23x + 7 = 0
II. 6y² - 29y + 9 = 0
The equation x2 – px – 60 = 0, has two roots ‘a’ and ‘b’ such that (a – b) = 17 and p > 0. If a series starts with ‘p’ such...
Quantity I: The cash price of a notebook is Rs. 100 but is can also be purchased on 11 monthly equal instalments of Rs. 10 each. Find rate of S.I.?
...I. 4x² - 15x + 9 = 0
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If x and y satisfy x² + y² = 25 and x + y = 7, find xy.
I). p2 + 8p + 15 = 0
II). q2 + 9q + 20 = 0
I. 2y² - 35y + 132 = 0
II. 2x² - 31x + 110 = 0
I. 6x2 - 47x + 77 =0
II. 6y2 - 35y + 49 = 0
