Raghu earns 25% on an investment but loses 10% on another investment. If the ratio of the two investment is 3:5. What is the gain or loss on two investments taken together ?
A) 1.251 %
B) 3.125 %
C) 7.21 %
D) 9.451 %
Answer: B) 3.125 %
Explanation:
Taking the 2 investments to be 3x and 5x respectively Total income of Raghu = (3x) x 1.25 + (5x) x 0.9 = 8.25 Therefore, Gain% = 0.25/8 x 100 = 3.125 %.
A shopkeeper purchased 10 boxes of pencils containing 10 pencils each at Rs. 100 per box and sold each pencil at a profit 12%. What is the total sale price?
The marked price of a calculator is Rs 750. It is sold at a discount of 22%. If the cost price of the calculator is Rs 500, then what is the profit (in Rs)?