4. Reena can make a doll in 6 days. Meena in 10 days and Kavya in 15 days. Reena and Meena work
for 3 days. How long will it take Meena and Kavya to finish the work?
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Answer:
after 3 days it will take 1 day to finish it
Step-by-step explanation:
by subtraction :
1 step
meena=10 days
reena=6 days
how many days had they worked=3 days
after 3 days how many days they can complete it=meena - reena
10-6=4 days
4 days - 3 days
=1 day.
answer. it will take 3+1
=4 days
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