Online Quiz on Chapter-4(10th Class)

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Online test prepared by Basa Raja Gopal SA(Math) ZPHS Kathalapur Jagtial Dist.

For what value of P, P(x+y)=2 and 4x=4(1-y) have infinitely many solutions? *

1 point

-2

-1

"Number of mathematicians is 10 more than twice of number of scientists" Represent the data as linear equation in two variables(Let No. of Mathematician=x and No. of Scientists=y) *

1 point

x+10=2y

x+2y=10

x - 2y=10

x+2y+10=0

If "x-2y+3=0 and 2x=4y+K" are dependent equations then value of "K" is........... *

1 point

-6

-3

The cost of 6 Pens and 4 Notebooks is Rs.78. Which of the following Suitable for given data? *

1 point

6x+4y=78

4a+6b=78

6p+4n-78=0

All the above

How many solutions have the pair of LE's x=5 and y= -5 ? *

1 point

Infinite solutions

Only one solution

Only two solutions

No solutions

Which of the following is the solution of "2x+y+1=0" ? *

1 point

(1, -1)

(-1, 1)

(-1, -1)

All the above

Which of the following is solution for the pair of LE's 2x+3y=1 and 3x+2y=4. *

1 point

(5, -3)

(4, -4)

(2, -1)

(-1, 2)

If "x=3y+1 and 4x-Py=7" are inconsistent equations then the value of "P" is.......... *

1 point

-12

-4

Which of the following LE's are represent Parallel lines *

1 point

x=3 and y=4

x=0 and y=0

x=2 and x=5

x=5 and y=5

Which of the following are Consistent ? *

1 point

2x+3y=5 and 2x-3y=10

2x+3y=5 and 2x+3y=10

2x+3y=5 and 8x+12y=10

5x+5y=5 and x+y=1

If the system of LE's "4x+11y+2=0 and 12x+33y+2P=0" have infinite solutions then the value of "P" is............ *

1 point

-6

x-5y=7 and x-5y=10 are represents ..............lines. *

1 point

Equal lines

Parallel lines

Intersecting lines

coincident lines

If the system of LE's "x+Ky=40 and 4x-8y=5" has No solution then the value of "K" is............ *

1 point

-2

-1

Which of the following is coincident with x-5=2y ? *

1 point

2x-10=2y

2x-4y=10

2x+4y-10=0

3x-6y=10

Which one of the following is linear equation in two variables? *

1 point

2x+3x=5x

3xy+xy=4xy

2x+3y-4

5x-2y=8

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