Question
Rohit purchased two identical items. He sold one for Rs.
920 and the other for Rs. 805, earning an overall profit of 15%. What was the cost price of each item?Solution
Let the cost price of each item be Rs. x Total cost price = Rs. 2x Total selling price = 920 + 805 = Rs. 1725 ATQ; 1725 = 2x × 1.15 2x = 1725 / 1.15 2x = 1500 x = 750 So, the cost price of each item = Rs. 750
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Which two signs need to be interchanged to make the following equation correct?
62 – 14 × 75 ÷ 15 + 50 = 82
If “+” means “minus”, “×” means “divided by”, “÷” means “plus”, and “-“ means then “multiplied by”
180 × 12 �...
Select the correct combination of mathematical signs that can sequentially replace the “@” sign and balance the following equation.
14@6@8@3@...
- Interchanging which two signs will make the following equation correct?
15 + 3 × 9 – 4 ÷ 16 = 57
