Question
The income of a person is Rs.10000 and his expenditure
is Rs.8000. In the next year his income and expenditure is increased by 8% and 12% respectively. His saving is what percent less than that of the previous saving?Solution
Initial Savings = 10000 – 8000 = Rs. 2000 Next year, Income = 10000 × (108/100) = Rs.10800 Expenditure = 8000 × (112/100) = Rs.8960 Saving = 10800 – 8960 = Rs.1840 Required % = [(2000 – 1840)/2000] × 100 = 8%
A triangle has sides 7 cm, 24 cm, and 25 cm. Determine the largest angle in the triangle.
If logâ‚“(81) = 4/3, find x.
{19.13 2 – 24.86 2 + 84.92% of 501.16} = ?Â
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