1. Give the excess-3 code of 9?
Sol:1100
2. Find the nth number in the series is 1,-3,5,-7,_
Sol: (-1)*(2n-1)
3. Find the next number in the series 31,29,31,30,31,_
Sol: 30
Hint: jan, feb, mar, apr, may, jun…
4. In how many ways can 5 prizes be given away to 3 boys when each boy is eligible for one or more prizes?
Sol:5^3
5. slur : speech ::smudge
Sol: writing
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