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Class 8 Mathematics Revision Exercise 2
If x=2, y=1, and z=3, what is the value of #(3x - 4y + 2z)/(2(x + 2y - z))# ?
A. 8
B. 5
C. 4
D. 7
(2m 40s)
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1.
A rectangle measures 12 cm long and 10 cm wide. The length of the rectangle is increased in the ratio 3:2 while its breadth is decreased in the ratio 4:5. By what ratio is the area of the rectangle increased? A. 6:5 B. 5:4 C. 3:2 D. 4:3
2.
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3.
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4.
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5.
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6.
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7.
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8.
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9.
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10.
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11.
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12.
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13.
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14.
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17.
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19.
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