Pair of Linear Equations in Two Variables (IMO- Mathematics Olympiad Class 10): Questions 74 - 77 of 82

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Question number: 74

» Pair of Linear Equations in Two Variables

MCQ▾

Question

The equations representing the given graph is ________

Given are points in graph

Given Are Points in Graph

Given the points in graph and find the equations

Choices

Choice (4) Response
a.

3x7y=10;8y6x=4

b.

7x+2y=11;y2x=3

c.

5x6y=14;7y6x=9

d.

2x+7y=11;5x+(35y2)=25

Question number: 75

» Pair of Linear Equations in Two Variables

MCQ▾

Question

The value of k, for which the system of equations kx3y+6=0,4x6y+15=0 represent parallel lines is ________

Choices

Choice (4) Response
a.

3

b.

2

c.

1

d.

4

Question number: 76

» Pair of Linear Equations in Two Variables

MCQ▾

Question

Places P1 and P2 are 250 km apart from each other on a national highway. A car starts from P1 and another from P2 at the same time. If they go in the same direction then they meet in 5 hours and if they go in opposite directions they meet in 2513 hours. The speeds of the cars are ________

Choices

Choice (4) Response
a.

90kmhr,40kmhr

b.

20kmhr,60kmhr

c.

50kmhr,12kmhr

d.

40kmhr,80kmhr

Question number: 77

» Pair of Linear Equations in Two Variables

MCQ▾

Question

The solution of the system of equations 2x+5yxy=6 and 4x5yxy+3=0(wherex0,y0) , is ________

Choices

Choice (4) Response
a.

x=1,y=2

b.

x=1,y=2

c.

x=1,y=2

d.

x=0,y=0

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