In a shipment of 120 machine parts, 5% were defective. In another shipments of 80 machine parts, 10% were defective. For the two shipments combined, what percent of machine parts were defective?
A. 6.5%
B. 7%
C. 7.5%
D. 8%
সঠিক উত্তরঃ
B.
7%
Explanation:
Related Questions (Any University/Year)
- Anwar can fill a pool with buckets of water in 30 minutes, Bobby can do the same job in 45 minutes, and Dipu can do the same job in \(1\frac{1}{2}\) hours. How quickly can all three fill the pool together (in minutes)?
- A competitor runs 200 meters race in 24 seconds. His rate is:
- The total age of A and B is 12 years more than the total age of B and C.C is how many years younger than A?
- Fedora Technologies acquired 60 hard-drives and tried selling them at BDT 2400 apiece at 20 percent markup on cost price. After 3 months, 6 remained unsold and were returned to manufacturer at 50 percent refund of cost. Find out Fedora's approximate profit margin as a percentage of initial acquisition cost of the 60 hard-drives.
- ৫ জন পুরুষ বা ৮ জন স্ত্রীলোক একটি কাজ ১৪ দিনে শেষ করতে পারলে ১০ জন পুরুষ ও ১২ জন স্ত্রীলোক একরে কত দিনে কাজটি শেষ করতে পারবে ?
- A hospital needs 150 pills to treat 6 patients for a week. How many pills does it need to treat 10 patients for a week?
- Rabib has x more marbles than Rafi has. Together they have y marbles. Which of the following represents the number of marbles that Rafi has
- 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 can do a work in 15 days and B in 20 days. If they work on it together for 4 days, then the fraction of the work that is left is:
- If s shirts can be purchased for d dollars, how many shirts can be purchased for t dollars?
- Adnan pays 50% of a bill, Shafiq pays 40% of the remaining and the rest Tk. 120 is paid by Raiyan. How much did Adnan Shafiq Raiyan pay together?
- Six years from now, Afnan's age will be the square of her age six years ago. What is Afnan's age?
- Two nations produce 1/5 and 3/10 respectively , of The world production of aluminum. What fraction of the world production do the others nation's Produce?
- A company rents parking spaces at the rate of TK. 100 per week or TK. 300 per month. How much does a person save in a year (in tk) by renting by month rather than by week?
- The length of each side of square A is increased by 100 percent to make square B. Again the length of each side of square B is increased by 50 percent to make square C. By what percent is the area of square C greater than the sum of the areas of square A and B?
- How many flowers are there if all of them are roses except two, all of them are tulips except two and all of them are daisies except two?
- 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?
- 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?
- Three workers can do a job in 12 days. Two of the workers work twice as fast as the third. How long would it take one of the faster workers to do the job alone?
- A train 108 metre long is moving at a speed of \(50~km/hr\). It crosses a train 112 metre long coming from opposite direction in 6 seconds. What is the speed of the second train?
- If a printer can print 2 pages per second, then approximately how many minutes will it take to print 5000 pages?
- একজন লোক ৪ ফিট লাফ দিতে পারে। সে একটি নৌকা থেকে তীরের উদ্দেশ্যে লাফ দিল। তখন নৌকাটি তীর থেকে ৩ ফিট দূরে ছিল। সে কোথায় পৌঁছাবে?
- As the price of mango has reduced by 20%, it is now possible to buy 2 more mangoes at Tk. 12. What is the current price of 50 mangoes?
- In a race of 10 km A beats B by 1 km and B beats C by 1 km. So by how many meters A beats C?
- Sonia travels to IBA from Uttara by car at a speed of 40 km per hour and returns to Uttara at a speed of 30 km per hour by an auto rickshaw. What is her average speed in the entire journey in km/hour?
- দুইটি নল দিয়ে একটি চৌবাচ্চা ৮ মিনিটে পূর্ণ হয়। নল দুইটি খুলে দেয়ার ৪ মিনিট পর ১ম নল বন্ধ করে দেয়ায় চৌবাচ্চাটি পূর্ণ হতে আরও ৬মিনিট লাগলো। প্রত্যেক নল দ্বারা পৃথকভাবে চৌবাচ্চাটি পূর্ণ হতে কত সময় লাগবে?
- If 12 men can reap 120 acres of land in 36 days, how many acres of land can 54 men reap in 54 days?
- 39 persons can repair a road in 12 days, working 5 hours a day. In how many days will 30 persons, working 6 hours a day, complete the work?
- If each photocopy of a manuscript costs 4 cents per page, what is the cost, in cents, to reproduce x copies of an x-page manuscript?
- A merchant was selling an item at a certain price, then marked it down 20% for a spring sale. During the summer, he marked the item down another 20% from its spring price. If the item is sold at the summer price, then what percent of the original price did it sell for?
- A student who secures 20% marks in a test fails by 30 marks. Another student who secures 32% marks get 42 marks more than those required to pass. Pass percentage of marks is
- The batting average for 40 innings of a cricket player is 50 runs. His highest score exceeds his lowest score by 172 runs. If these two innings are excluded then the average of the remaining 38 innings becomes 48 nuns. what is his highest score?
- The ration of 1/4 to 3/5 is
- Each of the following problem has a question and two statements which are labeled 1. and. Use the data given in 1. and 2. to decide whether the statements are sufficient to answer the question.Select one of the following . a.Statements (1) ALONE is sufficient,but (2) ALONE is not sufficient. b.Statements (2) ALONE is sufficient,but (1) ALONE is not sufficient. c. Both statement TOGETHER are sufficient but statement alone is sufficient . Is K a multiple of 6? (1)K is a multiple of 3. (2) K is a multiple of 12.
- Arib's Toyota Cross averages 25 km/liter inside city and 40 km/liter on highway. Yesterday, he drove to his Gulshan office from the factory which is 105 km away. If the Google Maps showed that he drove 25 km of this distance inside Dhaka, what was his average mileage?
- Rashid deposits Tk. 1200 from his salary in the first month. In every subsequent month, he deposit Tk. 100 more than the amount deposit in the previous month. What will be the total amount of his deposit in 18 months?
- Think of a number and then double the number. Then add 8 and multiply the result by 6. Now divide, the result by 12, then subtract the number you first thought out. What is the final result?
- Laila invested Tk. 10,000 in a new mutual fund account exactly three years ago. The value of the account increased by 10 percent during the first year, increased by 5 percent during the second year, and decreased by 10 percent during the third year. What is the value of the account today?
- The price of sugar increased by 10%. What percentage of consumption of sugar is to be reduced in order to keep the expenditure on sugar at the same level?
- There are 5 machines that make 5 parts in 5 minutes. How long does it take to make 100 parts on 100 machines?
