Book Maths Puzzle Category

what is the remainder when 2(8!)-21(6!
) divides 14(7!)+14(13!)

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Book Other Question

The cost of 20 pens,22 erasers and 25 sharpeners is Rs.196. The cost of 23 pens, 27 erasers and 30 sharpeners is Rs.233. If the cost of 109 pens, 125 erasers and 140 sharpeners is Rs.k, what is the value of K? 216 small cubes are combined to form a cube.A diagonal is drawn which passess through the centre of the cube.How many small cubes does the diagonal touches??