Hexaware Company Numerical Ability Probability

In an interview , the probability of appointing Marketing professional is 1/5 while that of a programmer is 1/4. Find probability that only one of them get selected in an interview.
A)2/5 B)7/20 C)5/14 D)3/8

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Hexaware Other Question

Using all the letters of the word 'NOKIA' how many words can be formed, which begin with N and end with A?
A)6 B)18 C)12 D)24
A, B, C and D divided Rs. 44,352/- among themselves A took (3/8)th of the money, B took (1/6)th of the remaining amount and the rest was divided among C and D in the ratio of 3:4 respectively. How much did C get as his share?
A)Rs. 13,200/- B)Rs. 16,632/- C)Rs. 10,300/- D)Rs. 8,700/- E)Rs. 9,900/-