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Total number of masks sold on Monday = 432/0.72 = 600 Number of N95 masks sold on Monday = (600 – 60)/2 = 270 Number of surgical masks sold on Monday [P] = (600 – 270) = 330 Total number of masks sold on Tuesday = 432 Number of surgical masks sold on Tuesday [Q] = (80/100) × 330 = 264 Number of N95 masks sold on Tuesday [R] = 432 – 264 = 168 Total number of masks sold on Wednesday = (600/60) × 43 = 430 Number of surgical masks sold on Wednesday = (20/43) × 43 = 200 Number of N95 masks sold on Wednesday [S] = 430 - 200 = 230 Required ratio = 264 : 168 = 11:7
If A : B = 8:5 and A is 21 more than B then find the sum of A and B.
Three numbers are in ratio 3:5:6. If the sum of the squares of those three numbers is 280 then find the sum of the three numbers.
Marks scored by A and B in a test are in the ratio 13:8 respectively. If B had scored 4 more marks, then marks scored by A would be 30% more than that o...
Two numbers are in the ratio 7:4. After adding 2 and 6 to them respectively the ratio becomes 2:3. Find the bigger number.
What is the fourth proportional to 189, 273 and 153?
If the mean proportion between 98 and 8 is denoted by 'k', then determine the ratio of (k + 4) to (k - 8).
What is the fourth proportional to 2, 5, 12?
A sum of money is divided among P, Q, R and S in the ratio of 3:4:8:9 respectively. If the share of R's is Rs. 2600 more than the share of Q, then what ...
The cost of diamond varies directly as the square of its weight. A diamond broke into four pieces with weights in the ratio 3 : 4 : 5 : 6. if the loss i...
Ratio of males to females in village ‘A’ and village ‘B’ is 9:10 and 17:18, respectively and number of females in village ‘B’ is 25% more th...