Question
In an election, a voter can vote for any number of
candidates not exceeding the number to be elected. There are 7 candidates and 4 members to be elected. In how many ways can a person vote?Solution
Total candidate =7 Total ways =7C1 +7C2 +7C3 +7C4 =7+21+35+35=98 =98ways
1, 1, 3, 15, 105, 942
Find the Wrong number in the given number series.
3, 6, 2, 8, 2.4, 9.6
- Find the wrong number in the given number series.
50, 64, 90, 134, 190, 260 Find the wrong number in the given number series.
8, 9, 64, 25, 216, 49
2.5, 15, 81, 325, 976, 1953
112, 236, 374, 546, 790, 1376
Find the wrong number in the given number series.
334, 301, 271, 251, 239, 233Â
2304Â Â Â 6912Â Â Â 864Â Â Â 2592Â Â Â 322Â Â Â 972
Find the wrong number in the given number series.
18, 40, 60, 132, 202, 408
0.15, 3.15, 12.30 , 45.90, 195.60, 998