In the given question, two equations numbered l and II are given. You have to solve both the equations and mark the appropriate answer.
I. 9x2 - 54x + 77 = 0
II. 3y2 - 26y + 55 = 0
Cost of 8 pencils, 5 pens and 3 erasers is Rs. 111. Cost of 9 pencils, 6 pens and 5 erasers is Rs. 130. Cost of 16 pencils, 11 pens and 3 erasers is Rs. 221. What is the cost (in Rs) of 39 pencils, 26 pens and 13 erasers?
1). 316
2). 546
3). 624
4). 482
It is given that, \(y = \; \propto \frac{1}{{\left( {{x^3} - x} \right)}}.\) For x = 2, we have y = 1/2. If x = 3, then the value of y is
If \(\frac{{11 - 13x}}{x} + \frac{{11 - 13y}}{y} + \frac{{11 - 13z}}{z} = 5\), then what is the value of \(\frac{1}{x} + \frac{1}{y} + \frac{1}{z}\)?
1). 1
2). 13/11
3). 13/5
4). 4
In the class of 180 students, 50 passed in History and Geography, 50 in History and Sociology, 30 in Sociology and Geography, and 10 students passed in all the three subjects. No students have failed in all the 3 subjects. Find the total number of students who passed in History only, Geography only, and Sociology only.
1). 65
2). 70
3). 75
4). 60