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Average numbers of women went to cinema hall B, D and E together, => (1/3)[(24% of 400) + (17% of 300) + (15% of 500)] = (1/3)× [96 + 51 + 75] = 74 Required difference = 258 – 74 = 184
The ratio of the number of English books to Hindi books in a library shelf is 5:3. If 126 Hindi books are written by Pradeep, which constitutes 30% of t...
Find the fourth proportion of 3, 7 and 15.
Marks scored by A and B in a test are in the ratio 12:5 respectively. If B had scored 5 more marks, then marks scored by A would be 20% more than that o...
80 percent of first number is equal to 40 percent of the second number. What is the respective ratio of the first number to the second number?
In a classroom, the ratio of boys to girls is 3:1. The average marks of all the girls are given as z - 6 , while the overall average marks for all the s...
‘x’ varies directly as ‘y’. If at x = 24 the value of ‘y’ is 25% more than ‘x’, then find the value of ‘x’ when ‘y’ = 55.
...What is the fourth proportion of 13, 20 and 26?
If the mean proportion of 0.54 and 0.24 is 'x', then find the third proportion of (x + 8.64) and (2x + 5.28) .