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RS Aggarwal Solutions Class 7 Mathematics Solutions for Unitary Method Exercise 9C in Chapter 9 - Unitary Method
Prev
A garrison of 500 men had provisions for 24 days. However, a reinforcement of 300 men arrived.
The food will now last for
(a)18 days (b)17(1/2) days (c)16 days (d)15 days
Answer:
Solution:-
(d)15 days
Because,
A garrision of 500 men had enough food for = 24 days
1 men had enough food for = (24 × 500)
∴ 800 men had enough food for = (24 × 500) / 800
= 15 days
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