Find the number of ways in which a French test can be made. 20...

Find the number of ways the top four can finish in a race of nine people.

Find the real number a for which the lines −4x+ 3y = 7 and ax− 2y = 4 will be perpendicular.

Find the number of ways, the digits 0,1,2 and 3 can be permuted to give rise to a number greater tha...

Find the number of ways that 4 flags can be displayed on a flagpole, one above the other, if 10 diff...

find the number of ways in which three students can be selected from five students

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(a) Find the number of ways that Magnus can give out 20 identical stickers to 5 of his friends. (No...

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(a) Find the number of ways that Magnus can give out 12 identical stickers to 12 of his friends. (No...

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