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A number when increased by 50%, gives a 2880, the number is:
Question

A number when increased by 50%, gives a 2880, the number is:

A.

3840

B.

1920

C.

5760

D.

960

Correct option is B

Given:

The number increases by 50% to give 2880.

Solution:

x + 50%  of  x = 2880

x + 50100×\frac{50}{100} \times​ x = 2880

x + x2\frac{x}{2}​ = 2880

3x2\frac{3x}{2}​ = 2880

3x = 5760

x = 57603\frac{5760}{3}​ = 1920

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