Question
Duckweeds, Water hyacinths and Water ferns belong to
which category of plants?Solution
Duckweeds, Water hyacinths and Water ferns are floating hydrophytes. Plants of this category float on the surface of the water. Leaves act as a major organ for swimming, in which large airspace and stomata are found.
'Sita' can complete some work alone in 20 days. 'Geeta' is twice as efficient as 'Reeta' and three times as efficient as 'Sita'. If 'Sita' and 'Reeta' s...
Amit and BK working together can finish a particular task in 90 days, while BK and Chiku working together can complete the same task in 70 days. Determi...
A and B together can complete a piece of work in 12 days, while B and C together can complete the same work in 15 days. A and C together can complete th...
A is twice as efficient as B and can finish a piece of work in 20 days less than B. B can finish this work in how many days?
- A man completes a work in 16 days. A woman finishes half of that work in 10 days. How many days will they take together to finish 75% of the work?
15 men can complete a piece of work in 5 days, while 20 women can complete it in 5 days. 8 men start working on the job & after working for 3 days, all...
A work can be completed by ‘A’ and ‘B’, alone in 20 days and 10 days, respectively. Find the number of days taken by ‘C’ to complete the sam...
40 men can complete a piece of work in 24 days. All of them started the work together, after 6 days how much more men will be required to complete the s...
A does 4/5 of a piece of work in 20 days. He then calls in B and they finish the remaining work in 3 days. How long B alone will take to do whole work?
- If Riya takes three times the time that Mahi takes or four times the time that Neha takes to finish a task, and all three working together can complete it ...
Relevant for Exams:
