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Using Euler’s formula, find the value of unknown r in the following table.
| Faces | 8 |
| Vertices | 11 |
| Edges | r |
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Can a polyhedron have V = F = 9 and E = 16? If yes, draw its figure.
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Check whether a polyhedron can have V = 12, E = 6 and F = 8.
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A polyhedron has 60 edges and 40 vertices. Find the number of its faces.
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A polyhedron has 20 faces and 12 vertices. Find the edges of the polyhedron.
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A solid has forty faces and sixty edges. Find the number of vertices of the solid.
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Suppose for the principal P, rate R% and time T, the simple interest is S and compound interest is C. Consider the possibilities.
- C > S
- C = S
- C < S
Then
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Suppose a certain sum doubles in 2 years at r % rate of simple interest per annum or at R% rate of interest per annum compounded annually. We have ______.
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The compound interest on Rs 50,000 at 4% per annum for 2 years compounded annually is ______.
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A sum is taken for two years at 16% p.a. If interest is compounded after every three months, the number of times for which interest is charged in 2 years is ______.
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To calculate the growth of a bacteria if the rate of growth is known, the formula for calculation of amount in compound interest can be used.
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Compound interest is the interest calculated on the previous year’s amount.
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Find the difference between Compound Interest and Simple Interest on Rs 45,000 at 12% per annum for 5 years.
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A graph that displays data that changes continuously over periods of time is ______.
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Which graphs of the following represent the table below?
| Length of Side of a Square | 1 | 2 | 3 | 4 | 5 |
| Perimeter | 4 | 8 | 12 | 16 | 20 |
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A line graph can also be a whole unbroken line.
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Study the given graph and complete the corresponding table below.
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Study the given graph and complete the corresponding table below.
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Plot a line graph for the variables p and q where p is two times q i.e, the equation is p = 2q. Then find.
- the value of p when q = 3
- the value of q when p = 8
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Plot a line graph for the variables p and q where p is two times q i.e, the equation is p = 2q. Then find the value of q when p = 8
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