Question
In January 2023, Arti paid EMI which was 22 percent of
her monthly salary. She paid the remaining amount on shopping on groceries and purchased clothes at the ratio of 7:5. She purchased clothes and spent 15600. If her salary increased by 20% in February, what was her salary in February?Solution
Let the income be x. The amount given to Emi = 22x/100 = 11x/50 Remaining amount = 39x/50 Expense on clothing = 5/12 x 39x/50 = 13x/40 13x/40 = 15,600 x = 1200 × 40 x = 48000 If, in February 2023, her salary increased by 20%: =48000 × 120/100 = 57600 Her salary (in Rs.) in February is 57600. Trick- February’s salary = 15600×12/5 × (100+20/100-22) =3120×12 ×120/78 =40×12×120 =57600.
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