alleryایک قلم کی قیمت ₹17 ہے۔ ایک شخص تین قلم اور ایک تحریری پیڈ خریدتا ہے۔ پیڈ کی قیمت ₹29 ہے۔ اس شخص کے ₹100 ادا کرنے کے بعد کتنی رقم واپس کی جائے؟
A₹18
B₹21
C₹20
D₹19
Answer & Solution
Correct answer: C. ₹20
تبدیلی ہے ₹100 − (3 × ₹17 + ₹29) = ₹20۔
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