exam Maths Puzzle Numerical Ability

Boscch prepared 23,215 canvaes ,whereas Picasso prepared only 16,219. How many more canvases did Bosch prepare?

Read Solution (Total 0)

exam Other Question

Find B so that -6x +By = 3 is perpendicular to 2x-3y=8.

I took simplified y=-2/3x - 8/3 and y=6x + 3/B.
any number for B must be positive in order for the lines to be perpendicular.

is this correct? square root of 7 over the 5 square root of 7