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66. 50 men could complete work in 200 days. They worked together for 150 days, after that due to bad weather the work is stopped for 25 days. How many more workers should be employed so as to complete the work in time?
A) 25
B) 35
C) 50
D) 60
Ans. c
67. In how many different ways can the letters of the word ‘LEADING’ be arranged such that the vowels should always come together?
A) None of these
B) 720
C) 420
D) 122
Ans. b
68. (x + 1/x) = 6 the value of ( x5 + 1/x5 ) = ?
A) 2345
B) 6726
C) 1234
D) 4567
Ans. b
69. Abhishek takes thrice as long to row a distance against the stream as to row the same distance in favor of the stream. The ratio of the speed of the boat in still water and stream is
A) 1:2
B) 2:1
C) 2:3
D) 3:1
Ans. b
70. What is the HCF of 13, 23 and 14 ?
A) 2/3
B) 1/3
C) 1/4
D) 1/12
Ans. d