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Percentage of total number of water bottles sold by shop B and C = [100 – (20 + 30 + 25)]% = 25% => 25% ----- 250 => 100% ------ 1000 Total number of water bottles sold by all the shops together = 1000 Number of water bottles sold by shop D = 30% of 1000 = 300 Let number of Milton water bottles sold by shop D be x. Number of Cello water bottles sold by shop D = x/4 According to the question, => x + x/4 = 300 => 5x = 1200 => x = 240 Milton water bottles sold by shop D = 240 Cello water bottles sold by shop D = 240/4 = 60 Similarly, Average number of Milton water bottles sold by shop D and E = (240 + 200)/2 = 220 Required % = (220/50) × 100 = 440%
The ratio between two numbers is 1:2. If each number is increased by 8, the ratio between then become 5:6, find the difference between numbers.
Two numbers are in the ratio 7:5. After adding 2 and 4 to them respectively the ratio becomes 2:3. Find the bigger number.
What number has to be added to each term of 2:3 to make the ratio 4:5?