bcafamilySimultaneous Equation of two variable
If there are 5 routes for traveling between two places A and B. How many options are there for a person to travel from A to B and return back?
5
10
9
25
If 5a = 3b = 25, then 30ab = ?
100
150
625
1250
If 8x + 4 = 32, then 2x - 1 [2015]
9
8
6
5
If 5a = 3b = 25 then 30ab = ? [2015]
100
150
625
1250
P,Q, and R are three consecutive odd numbers in ascending order if the value of three time of P is three less than two times R find the value of R [2012]
5
9
7
11
Suppose x = y-2 = (y+5)/2, the x is equal to [2010]
1/3
7
1
7/6
How many solutions does the system of equations given below have? 2x + y = 3 and 3y = 9 - 6x [2009]
None
One
Two
An infinite number
In the two digits number x, both the sum and difference of its digit is 4. What is the value of x? [2008]
13
31
40
48
If 4x + y - 14 and 3x + y = 13, then x - y is equal to: [2008]
-9
2
3
-1
If 4y - x = 10, 3x = 2y, then the value of xy is [2007]
2
3
6
12
The price of balcony seat in a theater is one-third of seat in the orchestra. When completely sold out the total tickets from 600 orchestra seats and the 450 balcony seats are Rs 45000, what is the price of one orchestra seat? [2006]
Rs 30
Rs 40
Rs 50
Rs 60
The system of equations 2x + 3y = 7 and x - y = 1 has following values [2005]
2,1
1,2
-1,2
3,4
The sum of the base angles of a triangle is 140° and their diffrence is 40°. The Angle of the triangle are[2005]
90°, 40°, 50°
100°, 40°, 40°
80°, 40°, 60°
110°, 30°, 40°
If 5x - 7y = 38 and 7x - 5y = 36 find the value of 5x + 5y [2002]
-1/5
-5
2/5
5
