exam Maths Puzzle Numerical Ability

The pages of a book are numbered from 1 to 128. How many page numbers contain the digit 6?

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exam Other Question

f(x)= (x + 2) (2x - 3). f(-2)= Given a kite with diagonals 6 and 14, find, to the nearest tenth, the length of the segment joining the midpoints of two opposite sides.