PPSC Junior Clerk (BS-11) (2020) Anti-Corruption, Maths MCQs, PPSC Solved Past Papers MCQs2x + 7 =19 then x = ?A. 7 B. 6 C. 8 D. 10 Which of the following is wrong?A toy is sold for Rs. 220. What was the cost, if the rate of profit was 10% of the cost?