Question
In an office, the ratio of the number of males to number
of females is 12:7. If 4 males joined the officeand 5 females left the office, then the ratio of number of males to that of females in an office would become 5:2. Find the actual number of females in the office.Solution
Let initially the number of males and females in an office be 12x and 7x respectively. According to the question, => (12x + 4) : (7x – 5) = 5:2 => 24x + 8 = 35x – 25 => x = 3 Therefore, number of females in an office = 7 x 3 = 21
An article Marked price is 30% above its cost price and it is sold at a discount of 10% making a profit of Rs.850.Then, what will be the selling price o...
To clear his stock of rice, Sunil starts giving 1.2 kg of rice to customers in place of 1 kg. However, he secretly uses an 800-gram weight instead of a ...
A shopkeeper purchased 35 kg of sugar at Rs. 22 per kg. He sold some of it at a profit of 8% and the rest at a profit of 16%. If the total profit he mad...
A sold an article at 45% profit. If the profit earned had been 228% more, then the profit percentage would have been numerically equal to CP. Find the a...
A shopkeeper purchased an article for Rs. ‘a’ and marked it 135% above its cost price and sold it after giving two successive discounts of 200 and 2...
The cost of 3 pens, 8 pencils, and 12 erasers at a stationery shop is Rs 90. At the same shop, the cost of 5 pens and 8 erasers i...
A man purchases an equal number of oranges at two different rates: 3 for Rs 13 and 5 for Rs 20. He then sells all the oranges at a rate of 4 for Rs 15. ...
A shopkeeper bought 60 kg of apples at ₹80 per kg and 40 kg of oranges at ₹60 per kg. If he wants to make a profit of 20% on the total cost, at what...
A trader marked an article 70% above its cost price and sold it after allowing a discount of 40%. If the transaction resulted in a profit of Rs. 40, the...
A shopkeeper marked an article P% above its cost price and sold it for Rs. 640 after giving a discount of 22%. If the shopkeeper had a loss of 6.4% on t...
Relevant for Exams:
