A wholesaler blends two varieties of tea, one costing INR 60 per kilo and another costing INR 105/- per kilo. The respective ratio of quanitites they were mixed in was 7 : 2. If the sold the mixed variety at INR 100 per kilo, how much was his profit percentage
Total cost price = 7×60+2×105
=420+210=INR 630/-
Total selling price = 9×100 = INR 900
Required profit percentage = 900-630/630×100
=42 6/7%
A took a certain sum as loan from bank at a rate of 8% simple interest per annum. A lends the same amount to B at 12% simple interest per annum. If at the end of five years, A made profit of INR 800/- from the deal, how much was the original sum
A project manager hired 16 men to complete a project in 38 days. However, after 30 days, he realized that only 5/9th of the work is complete. How many more men does he need to hire complete the project on time
Directions (next five questions) : What will come in place of (?) in the given number series
14 6 5 6.5 12 ?
179 180 172 199 135 ?
23 30 46 80 141 ?
