Let the income be 100x.
Expenditure = 100x × 45/100 = 45x
Savings = 100x - 45x = 55x
New income = 100x × 115/100 = 115x
New saving = Old saving = 55x
New Expenditure = 115x - 55x = 60x
Expenditure increase% = (60x - 45x)/45x × 100
= 15x/45x × 100
= 100/3 = 33.33%
English
80 Questions
160 Marks
60 Mins English English20 Questions40 Marks12 Mins English English80 Questions160 Marks60 Mins EnglishA person spends 50% of his monthly salary on house rent. If he spends ₹912 on transport and ₹3,799 on groceries every month and saves the remaining ₹131, then find his monthly salary (in ₹).
The income of Ajay is ₹45000. He saves 18% of the income. Vijay's expenditure is 20% more than Ajay's expenditure and his savings is ₹3420. Vijay's income is what percent more than the income of Ajay?
The expenditure of Sudha is 125% more than her savings. If expenditure decreases by 14% and savings increase by 38%, find % increase in income.
The price (per litre) of petrol increases by 40%. By what percent should its consumption be reduced such that the expenditure on it increases by 12% only?
The income of Avin is 54,000 which is 20% less than that of Bharat. The expenditure of Bharat is 12% more than the income of Avin and the expenditure of Avin is 25% less than the expenditure of Bharat. The difference between the savings of Avin and Bharat is:
Petrol price increases by 75%. By what percent should consumption be reduced so that expenditure increases only by 26%?
The price (per litre) of petrol increases by 50%. By what percent should its consumption be reduced such that the expenditure on it increases by 32% only?
If 20% of a number is 50, then what is that number?
The price (per litre) of petrol increases by 80%. By what percent should its consumption be reduced such that the expenditure on it increases by 17% only?
The price of sugar increased by 22.5%. Anita wants to keep her expenditure on sugar same as before. By what percentage must she reduce her consumption of sugar (correct to two place of decimals)?
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