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The following numbers, K + 3, K + 2, 3K ...

The following numbers, K + 3, K + 2, 3K - 7 and 2K - 3 are in proportion. Find K.

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The correct Answer is:
K = 5 or -1
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ICSE-MATHEMATICS-2019-SECTION-B
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  6. Use a graph sheet for this question. Take 1 cm = 1 unit along both x a...

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  7. Use a graph sheet for this question. Take 1 cm = 1 unit along both x a...

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  8. In the given figure, anglePQR=anglePST=90^(@), PQ = 5cm and PS = 2 cm....

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  9. In the given figure, anglePQR=anglePST=90^(@), PQ = 5cm and PS = 2 cm....

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  10. The first and last term of a geometrical Pregression (G.P.) are 3 and ...

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  12. In the given figure AC is a tangent to the circle with centre O. If ...

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  13. The model of a building is constructed with the scale factor 1:30. (...

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  14. The model of a building is constructed with the scale factor 1 : 30. ...

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  15. Given [(4,2),(-1,1)]M = 6 I, where M is a matrix and I is the unit mat...

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