A man spends 2/3rd of his in-
come. If his income 'increases by 14% and the expenditure in-
creases by 20%, then the per-
centage increase in his savings will be ?
sᴀᴅɪǫ ᴅᴀᴅᴀ ᴊɪ
ᴄʜᴀʟᴇ ɢʏᴇ π_π
come. If his income 'increases by 14% and the expenditure in-
creases by 20%, then the per-
centage increase in his savings will be ?
sᴀᴅɪǫ ᴅᴀᴅᴀ ᴊɪ
ᴄʜᴀʟᴇ ɢʏᴇ π_π
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Answer:
2%
Step-by-step explanation:
Let income be ₹300.
Expenditure = ₹(300×2/3) = ₹200
Savings = Income - Expenditure
= ₹(300 - 200) = ₹100
If, Income is increased by 14%
Then, New Income
= ₹ [300 + (300×14/100)]
= ₹(300 + 42) = ₹342
New Expenditure
= ₹ [200 + (200×20/100)]
= ₹ (200 + 40) = ₹240
New Savings = ₹ (342 - 240)
= ₹ 102
% of Increase in Savings
= (102-100)/100× 100
= (2/100) /100 × 100
= 2%
Let the income of the man be 300.
Expenditure of the man = 300 × (2/3) = 200
Savings of the man = 300 - 200 = 100
New income of the man = 300 x (114/100) = 342
New expenditure of the man = 200 × (120/100) = 240
New saving of the man = 342 - 240 = 102
Required percentage = [(102 100)/100] x 100 = 2%