Question
A stadium has 10 gates. In how many different ways can
3 persons enter the stadium?Solution
There are 10 gates Total persons = 3 Each person can choose any gate out of 10. Total ways are 10*10*10 = 1000
Find the wrong number in given series.
1759, 1765, 1785, 2047, 2099, 2209
Find the wrong number in the given number series.
360, 359, 351, 324, 260, 135
Find the wrong number in the given number series.
237, 526, 165, 608, 77, 702
14, 16, 22, 46, 172, 886
Find the wrong number in the given number series.
1, 3, 10, 21, 64, 129, 356, 777
- In the given number series, find the wrong number.
5, 10, 15, 20, 25, 31, 35 63 98 140 192 251 318
...42, 85, 172, 343, 687, 1375
12, 14, 18, 26, 38, 64
8137, 5405, 3669, 2701, 2201, 1997