Akib earns Tk. 5 for every hour he works in Purpletob. Last week he worked x hours. He then purchased y kg of rice which costs Tk.12/kg. He saved the remaining amount. What is his saving?
A. 5x+12y
B. 5x-12y
C. 5(x-y)
D. 7xy
E. f
সঠিক উত্তরঃ
B.
5x-12y
Explanation:
Related Questions (Any University/Year)
- A train takes 10 seconds to cross a pole and 20 seconds to cross a platform of length 200 m. What is the length of train?
- What was the original price of an item if a discount of 20% reduced the price to Tk. 100?
- In a sports club with 30 members, 17 play badminton and 19 play tennis and 2 do not play either. How many members play both badminton and tennis?
- A man purchased equal number of bananas at two different rates- one at the rate of taka per dozen and the other at the rate of 10 taka per dozen. After that, he sold those bananas at an average rate of 11 taka per dozen and thus made a profit of 100 taka. How many dozens of banana did he purchase altogether?
- The number's three times added with its twice equal 90. What is the number?
- A recipe calls for 1/2 tea spoon off coriander and serves four people. If salma wants to serve the recipe to 24 people, how much coriander will she need?
- The electric company charge: Tk. 0.30 per kilowatt hour (KWH). Rahim used 2800 KWH in April, 3200 KWH in May, and 3600 KWH in June. What was his average costs of electricity for the 3 months?
- In the following figure, what is the area of square QRST?
- Asif has a square garden with a perimeter of x feet. David has a rectangular garden with a perimeter of x feet and the length is 1 foot longer than the width. Who has the larger area?
- A 60 litre mixture of sugar and water contains sugar and water in the ratio 2:3. How many litres of the mixture should be replaced by sugar so that the ratio of sugar and water become 1:1?
- Out of a total of 1,000 employees at a certain corporation, 52 percent are female and 40 percent of these females work in research. If 60 percent of the total number of employees work in research, how many male employees do NOT work in research?
- How many litters of apple juice were added to the orange juice in a certain container ?
- A river boat travels upstream at 6 km/h and returns downstream at 9 km/h. What is the average speed for the round-trip?
- A factory that employs 1000 assembly in workers pays each of these workers at a rate of Tk. 5 per hour for the first 40 hours worked during a week and 1.5 times that rate for the hours worked in excess of 40 hours. What is the total amount paid to the workers in a week in which 30% of the workers worked 20 hours, 50% worked 40 hours and the rest of the workers worked 50 hours?
- A rope cut into 3 pieces with each piece twice as long as the previous one. the length of longest piece is 3 meter, what was the length of the rope in meter?
- If the cost of a long-distance phone call is P paisa for the first minute and 2/3 P paisa for each additional minute, what is the cost, in paisa, of a 10-minute call of this type?
- What percentage of profit is made by selling an article at a certain price if by selling at two third of that price these would be a loss of 20%?
- A man starts climbing a 11 m high wall at 5 pm. In each minute he climbs up 1m but slips down 50 cm. At what time will he climb the wall?
- A salesman makes a 20 percent commission on the selling price of each set of encyclopedias he sells. If he sells 12 identical sets of encyclopedias and makes $1,800 in commissions ,what is the selling price of each set?
- মোহন ও সোহানের বর্তমান বয়সের অনুপাত ২ : ৩ এবং তাদের বয়সের পার্থক্য ১২ বছর। সোহানের বর্তমান বয়স কত?