Question
The scientific discipline concerned with the description
of rock successions and their interpretation in terms of a general time scale is called?Solution
Stratigraphy primarily deals with the study of layered sedimentary rocks (called strata) but may also include layered igneous rocks. Layered rocks may result from successive lava flows or from the formation of extrusive igneous rocks.
A work can be completed by ‘A’ and ‘B’, alone in 12 days and 18 days, respectively. Find the number of days taken by ‘C’ to complete the sam...
P’s 3 days work is equal to Q’s 4 days work. If P and Q together can complete the work in 32 days then how much time Q will take to complete 75% of ...
Aman, Arun and Abraham can complete a work in 12, 20 and 24 days respectively. They all start working together. Aman left the work 1 day before its comp...
P’s 3 days work is equal to Q’s 5 days work. If P and Q together can complete the work in 30 days then how much time Q will take to complete 75% of ...
10 masons can build a wall in 15 days by working 8 hours per day. How many masons are required to build the wall in 10 days by working 12 hours per day?
‘A’ can complete a work in 15 days and is 50% more efficient than ‘B’. ‘A’ and ‘B’ start working together and ‘A’ leaves after 8 day...
P’s 5 days work is equal to Q’s 6 days work. If P and Q together can complete the work in 25 days then how much time Q will take to complete 60% of ...
‘A’ and ‘B’ together can complete a work in 8 days, while ‘B’ and ‘C’ together can complete the work in ...
Anand and Manav can collaboratively finish a task in {40/3} days, while Anand alone requires 24 days to complete the same task. Given that Prachi's effi...
A set of Q men can complete a work in 20 days, while (Q+4) women can complete the same work in 28 days. If 9 men and 13 women together can finish the sa...
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