(A) 3 days (X)
(B) 4 days (X) (C) 6 days ()
(D) 8 days (X)
Answers: Twelve children take sixteen days to complete a work which can be completed by 8 adults in 12 days. After working for 3 days, sixteen adults left and six adults four children joined them. How many days will they take to complete the remaining work 6 days.
Answers: Two train are moving in opposite directions 60 Km/hr and 90 Km/hr. Their lengths are 1.10 Km and 0.9 Km respectively. the time taken by the slower train to cross the faster train in seconds is 48.
Answers: Three flags each of different colours are available for a military exercise, Using these flags different codes can be generated by waving.
1 Single flags of different colours
2 Any two flag in a different sequence of colours
3 three flag in a different sequence of colours
The maximum number of codes that can be generated is 15.