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The total salary of Kabeer and Faysal in an organisation is Rs. 28000. Kabeer & Faysal'ssalary is increased by 6% and 8% respectively,then their increased total salary will be Rs.29940. Find the salary of Kabeer?(c) Rs. 20000{a) Rs. 15000 (b) Rs. 18000(d) Rs. 10000 (e) Rs. 12000 |
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Answer» (a) Rs. 15000Step-by-step EXPLANATION:let kabeer and faysal's salary be REPRESENTED by x and y respectively. so, x + y = 28000 ---- Iand then the equation for the increment in SALARIES be:1.06x + 1.08y = 29,940 ---- IImaking x the SUBJECT of formula in equation I, we have, x = 28,000 - y ----- IIIsubstituting ( III ) into (II) 1.06 (28000 - y) + 1.08y = 2994029680 - 1.06y + 1.08y = 29,94029680 + 0.02y = 299400.02y = 260y = 260/0.02 = 13,000substituting in equ I x + 13,000 = 28000x = 15000 x REPRESENTING kabeer's salary is Rs. 15000 |
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