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Multiple Choice Questions

The monthly income of Shyama and Kamal together is Rs 28000 The income of Shyama and Kamal is increa...........

Elelmentary Mathematics (UPPCS) Percentage

The monthly income of Shyama and Kamal together is Rs.28000. The income of Shyama and Kamal is increased by 25% and 12.5% respectively. The new income of Kamal becomes 120% of the new salary of Shyama. What is the new income of Shyama?

Rs.12000

Rs.18000

Rs15000

Rs.13000

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Explanation:

The monthly income of Shyama and Kamal => S + K = 28000 —(1)
Shyama’s income = x;
Kamal’s income = 28000 – x.
K = 120/100 * S —(2)
S’s new income = (28000 – x)*112.5/100
K’s new income = x * 125/100 (28000 – x)*112.5/100 = x * 125/100 x = 12000
New Income of Shyama = 125% of 12000 = 15000

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