Question
The price of fuel increases by 10%, and a person reduces
his usage by 5%. Find the percentage increase or decrease in his expenditure.Solution
ATQ,
Let the original usage be ‘x’ units and the price per unit be Rs. ‘y’.
Initial expenditure = Rs. xy
New increased price = Rs. 1.10y
Reduced usage = 0.95x
New expenditure = 1.10y × 0.95x = Rs. 1.045xy
Hence, the expenditure increases by 4.5%.
112 is related to 14 following a certain logic. Following the same logic, 176 related to 22. To which of the following is 200 related, following the sam...
Statements: G > H ≥ I = J; C < I ≥ L = K
Conclusions:
I. K < G
II. C > J
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Which of the following interchange of signs would make the given equation correct?
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Amit ranked 7th from the top and 26th from the bottom in his class. How many students are there in the class?
