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G M

· started a discussion

· 1 Months ago

Amazing Calculation... (Question: 201470.0 )

At least calculate it properly...

Question:
Arun gives 30% of his money to his eldest son, 40% of the remaining money he gives to his youngest son and 20% of the remaining money he gives to his friend. If Arun has Rs. 114.75 left, then find his total sum.
Options:
A) Rs. 340.78
B) Rs. 339.49
C) Rs. 341
D) Rs. 341.51
Solution:
Ans: (d) 

Total sum = 114.75 × \(\cfrac{100}{70} × \cfrac{100}{60} × \cfrac{100}{80}\) 

= Rs. 341.51

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