hi pliz help me it's very urgent
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at first tell what question no
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A's salary was increased by 40% and then decreased by 20% on the whole A's salary is increased by options 20% 12% 15% 10%
12%
a plate of metal 1 cm thick 9 CM broad 81 cm long is melted into a cube the difference in the surface area of two solids is options a)1 152 CM square c) 1 150cm square c)1052cm2 d)1050 cm2
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