Question
Which method was used to date the cave painting in the
Leang Karampuang cave?Solution
Researchers used a new laser dating method on calcium carbonate crystals, revolutionizing rock art dating worldwide.
‘A’ and ‘B’ can do a piece of work in 12 days and 20 days, respectively. They started working together but ‘A’ left after 6 days. Find the t...
Alok and Vinay can complete some work alone in 12 days and 20 days respectively. Both of them started the work together but Vinay left the work 4 days b...
‘X’ and ‘Y’ together can finish an assignment in 30 days while ‘Y’ and ‘Z’ together can finish the same assignment in 45 days. ‘X’ a...
Bholu and Golu have teamed up to finish a task. On his own, Bholu can complete 5 units of work each day. Golu, when working solo, can finish the entire ...
‘P’ can complete 80% of a task in 32 days and ‘Q’ can do 60% of the task in 54 days. If ‘P’, ‘Q’, and ‘R’ all work together, they ca...
‘A’ alone can complete a work in 10 days. ‘B’ alone can complete the same work in 20 days. If ‘A’ and ‘B’ work together for 3 days, then...
- Ajay completes half the work done by Rohit in 5/6 of the time. If they together finish the work in 18 days, how much time will Rohit take to complete the w...
'A' operates at 75% of 'B's efficiency, while 'C' functions at 125% of 'B's efficiency. Initially, 'A' and 'B' teamed up for the job and worked for 10 ...
A contractor undertook to make 20 km of roadway in 48 weeks. In 28 weeks, 8 km was completed by 120 men working 12 hours a day. The men then agreed to w...
- P, Q and R together can complete a task in 12 days. Q and R together can finish it in (72/5) days, and R alone can do half the task in 8 days. What is the ...
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