Question
Because of a 10% rise in mobile data prices, Ayesha decided
to use 15% less data. Find out the percentage change in her data expenses.Solution
ATQ,
Let initial data price be Rs. 100a and data usage be 100b GB
Initial expenditure = 100a × 100b = Rs. 10000ab
New expenditure = (1.10 × 100a) × (0.85 × 100b) = Rs. 9350ab
Required percent = [(9350ab - 10000ab) ÷ 10000ab] × 100 = -6.5% decrease
The income of person P is 20% higher than that of person Q. If Q spends 82% of his income, which amounts to ₹14,760, determine ...
In 2023, Department D overspent by 10% of its allocated budget. What is the total expenditure of Department D after the overspending?
Maximize Z = 3x + 5y
Subject to:
x – y ≥ 2
x + y ≥ 4
x, y ≥ 0
What can be concluded about the feasible region?
(76.98% of 599.98) ÷ 20.99 = ? + 7.98% of 199.99
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Which Is the layer of a computer system between the hardware and the user program
What is the remainder when 26×28×32 is divided by 25?
Let a point P(at² , 2at)lie on parabola y² = 4ax. The line joining P and focus intersects the directrix at M. If t=2, then the coordinates of M are:...
