Question
The income of a person is Rs.15000 and his expenditure
is Rs.11000. In the next year his income and expenditure are increased by 8% and 16% respectively. His saving is what percent less than that of the previous saving?Solution
Initial Savings = 15000 – 11000 = Rs. 4000 Next year, Income = 15000 × (108/100) = Rs.16200 Expenditure = 11000 × (116/100) = Rs.12760 Saving = 16200 – 12760 = Rs.3440 Required % = [(4000 – 3440)/4000] × 100 = 14%
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Simplify the expression -:
The main folder on a storage device is known as
If sec x - tan x = 1/3, find sec x + tan x:
The simplified value of (452 x 452 x 452 – 356 x 356 x 356)/(452 x 356 + 452 x 452 + 356 x 356) is:
