One Gross is equal to___________?A. 5 Dozen B. 10 Dozen C. 12 Dozen D. None of them A gross refers to a group of 144 items (a dozen dozen or a square dozen, 122). A great gross refers to a…

Three flags each of different colours are available for a military exercise, Using these flags different codes can be generated by waving I. Single flag of different colours II. Any two flags in a different sequence of colours. III. three…

Two trains 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_________? A. 36 B. 45C.…

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 and four children joined them. How many days will they…