1. In how many ways can the letters of the word 'LEADER' be arranged?

72

144

360

72

None of these



2. Find the greatest number that will divide 43, 91 and 183 so as to leave the same remained in each case.

4

7

9

13

None of these


3. The average weight of 8 person's increases by 2.5 kg when a new person comes in place of one of them weighing 65 kg. What might be the weight of the new person?

76Kg

76.5Kg

85Kg

Data inadequate

None of these


4. In Arum’s opinion, his weight is greater than 65 kg but less than 72 kg. His brother does not agree with Arum and he thinks that Arum’s weight is greater than 60 kg but less than 70 kg. His mother's view is that his weight cannot be greater than 68 kg. If all are them are correct in their estimation, what is the average of different probable weights of Arum?

67 kg

68 kg

69 Kg

Data inadequate

None of these


5. Product of two co-prime numbers is 117. Their LCM should be

1

117

equal to their H.C.F.

Cannot be calculated

None of these


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