M4maths
exam Maths Puzzle Numerical Ability

How many 5-digit numbers exist between 65,000 and 69,999 if each number has no repeated digits?

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exam Other Question
19. y>2 *
1<x<5*
y<x+3*
f(x,y)=3x-2y*
20.4y<x+8*
x+y>2*
y>2x-5*
f(x,y)=4x+3y*
21.x+y>2*
2y>3x-6*
4y<x+8*
f(x,y)=3y+x*
22.y<x+6*
y+2x>6 Determine which two equations represent parallel lines.
(a) y = -5x + 2 (b) y = 5x + 2 (c) y = x + 2 (d) y = -5x + 5
Determine which two equations represent perpendicular li