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How many different combinations can be made if I put 4 out of 10 pictures in 4 different frames?
If you have 10 pictures and 4 frames, then there are 210 different groups of pictures that you can frame and display. Each group can be hung on the wall in 24 different orders from left to right, and I guess there are other possible arrangements besides simply lining them up.
How do you solve this combinations problem .There are 20 students in one class. They need to form groups of at least 2 people and at most 4 people. In how many different ways can they do that?
There are only two possibilities... 10 groups of 2 or 5 groups of 4. Unless - you can have varying sized groups - which you didn't specify.
Marcy blew up 24 balloons. She tied the balloons together in groups of 4. How many groups did Marcy make?
24/4 = 6 groups
How many equal groups of 8 are in 32?
To find out how many equal groups of 8 are in 32, you would divide 32 by 8. The quotient is 4, which means there are 4 equal groups of 8 in 32. This can also be represented as 32 ÷ 8 = 4.
How many combinations of 4 numbers are there in 6 numbers?
If the order of the 4 numbers matters, then there are (6 x 5 x 4 x 3) = 360 .If the order of the 4 numbers doesn't matter, then there are 15 different groups of 4.
