Question
Two types of Pulses cost Rs. 240/kg and Rs. 340/kg. In
what ratio should these be mixed so that the obtained mixture is sold at Rs. 324/kg to earn a profit of 20%?Solution
SP of the mixture = Rs. 324 Gain = 8% Therefore, CP of the mixture =324 × (100/120) = Rs. 270  Now, using the allegation method Type I                                 Type II  240                                   340                270  70                                     30 Required Ratio = 7: 3
How can you freeze both rows and columns in an Excel spreadsheet?
The simple interest on a sum of money for 3 years is 1,200 at a rate of 10% per annum. What is the compound interest on the same sum for the same time a...
Three numbers are in HP. Their sum is 37 and the sum of their reciprocals is 1/4. The numbers are:
Simplify the following expression -:
120 + 480 ÷ 16 × 6 + {(240 ÷ 2.5) × 5 + 120} ÷ 5
P can complete a work in 25 days, while Q can complete the same work in 30 days. They work together for 5 days, and then P is replaced by R, who can com...
{√676.12 + 13.012 – 146.89 } = ?
The following table shows the marks obtained by five students in three subjects:
Train X is moving at a relative speed of 288 km/hr with respect to Train Y, which is approaching from the opposite direction. The two trains completely ...
Let a=i+j​+k, b=2i+j​−k, and c=a×b. The angle between c and a is:
