Q1 of 61 Page 27

Choose correct alternative for each of the following question

For simultaneous equations in variables x and y, DX = 49, DY = –63, D = 7, then what is x?


Hence option A is correct.

More from this chapter

All 61 →
6

Out of 1900 km, Vishal travelled some distance by bus and some by aeroplane. Bus travels with average speed 60 km/hr and the average speed of aeroplane is 700 km/hr. It takes 5 hours to complete the journey. Find the distance, Vishal travelled by bus.

 1

Choose correct alternative for each of the following question

To draw graph of 4x+5y=19, Find y when x = 1.

 1

Choose correct alternative for each of the following question

Find the value of

1

Choose correct alternative for each of the following question

To solve x + y = 3; 3x–2y – 4 = 0 by determinant method find D.