Question
The population of a town increases by 2.5% annually but
it decreases by 0.5% every year due to migration. What will the percentage increase in two years be?Solution
The net annual growth rate is 2.5% − 0.5% = 2% Let the initial population be PPP. After 2 years = P × (1.02)2 = P × 1.0404 Percentage increase = (1.0404 − 1) × 100 = 4.04%
A cone has a base radius of 6 cm and a height of 8 cm. Find its volume and slant height (use π = 3.14).
120Â Â 124Â Â 151Â Â 167Â Â Â 292Â Â Â ?
Factor the polynomial: x³ - 6x² + 11x - 6.
What is the function of the "IF" function in Excel?
The simplified value of (452 x 452 x 452 – 356 x 356 x 356)/(452 x 356 + 452 x 452 + 356 x 356) is:
A bag contains 8 black and 10 white balls. One ball is drawn at random. What is the probability that the ball drawn is white?
In the figure, ABCD is a cyclic quadrilateral with O as center of the circle If ∠BOC = 136°, find ∠OBC.
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