MEDIUM
9th CBSE
IMPORTANT
Earn 100

If p=xm+n.yl, q=xn+l.ym and r=xl+m.yn, prove that pm-n.qn-l.rl-m=1

Important Questions on Number System

MEDIUM
9th CBSE
IMPORTANT

Show that 11+ay-x+az-x+11+az-y+ax-y+11+ax-z+ay-z=1

MEDIUM
9th CBSE
IMPORTANT

If 3x=5y=75z, show that z=xy2x+y.

MEDIUM
9th CBSE
IMPORTANT

Solve the following equation for x:

3x+1=27×34

MEDIUM
9th CBSE
IMPORTANT

Solve the following equation for x:

4x-1×0.53-2x=18x

MEDIUM
9th CBSE
IMPORTANT
Arrange 2, 43, 54, 34 in ascending order.