Advertisements
Advertisements
प्रश्न
The bus fare between two cities is increased in the ratio 7 : 9. Find the increase in the fare, if:
- the original fare is Rs. 245;
- the increased fare is Rs. 207.
उत्तर
According to the given information,
Increased (new) bus fare = `9/7` × original bus fare
i. We have:
Increased (new) bus fare = `9/7` × Rs. 245 = Rs. 315
∴ Increase in fare = Rs. 315 – Rs. 245 = Rs. 70
ii. We have:
Rs. `207 = 9/7` × original bus fare
Original bus fare = Rs. `207 xx 7/9` = Rs. 161
∴ Increase in fare = Rs. 207 – Rs. 161 = Rs. 46
APPEARS IN
संबंधित प्रश्न
Find the ratio of the following in the simplest fcrm:
Rs 5.40 and 180 paise
Find the number which bears the same ratio to `7/33` that `8/21` does to `4/9`.
Express the following ratios in its simplest form :
1 hour: 45 minutes
The population of the town is 180,000, out of which males are `1/3` of the whole population. Find the number of females. Also, find the ratio of the number of females to the whole population.
The ages of two boys A and B are 6 years 8 months and 7 years 4 months respectively. Divide Rs. 3,150 in the ratio of their ages.
The ratio between two numbers is 5 : 9. Find the numbers, if their H.C.F. is 16.
Find the mean proportional between 16 and 4
In an examination, the number of those who passed and the number of those who failed were in the ratio of 3 : 1. Had 8 more appeared, and 6 less passed, the ratio of passed to failures would have been 2 : 1. Find the number of candidates who appeared.
If `x/(b + c - a) = y/(c + a - b) = z/(a + b - c)` prove that each ratio’s equal to : `(x + y + z)/(a + b + c)`
Of the 288 persons working in a company, 112 are men and the remaining are women. Find the ratio of the number of men to the total number of persons.
