Exam Maths Puzzle Category

if a completes a circle in 25min and b complete the circle in 30 min when will thwy meet

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Exam Other Question

If in a certain time period, Rs.20000 amount to Rs.250000 at CI. What is the amount in half at that time if principal is Rs.10000?
a) 50000
b) 60000
c) 70000
d) 80000
e) None of these 6 men of the first group do 2/3 of a work in 1/3 times as compared to 4 men of the second group.find the respective ratio of the one day work of 2 men of the first group and 4 men of the second group