If Masud can do a job in P days, while Minhaz can do the same job in Q days separately, how long will it take to finish the job if they work together?
A. (P+Q)/PQ days
B. PQ/(P+Q) days
C. (P+Q) days
D. (1/P + 1/Q) days
সমন্বিত ৭ ব্যাংকমানসিক দক্ষতা(IQ)গাণিতিক সমস্যাIQ-4 (Topic Practice)সমন্বিত ৭ ব্যাংক - ⚡ অনলাইন প্রশ্নব্যাংক দেখুন 💥
সঠিক উত্তরঃ
B.
PQ/(P+Q) days
Explanation:
Related Questions (Any University/Year)
- যদি 2 × 3 = 812, 4 × 5=1620 হয় তবে 6 × 7 = কত?
- 6 points of 20% solution of alcohol in water are mixed with 4 points of a 10% alcohol in water solution.The percentage alcohol in the new solution is
- The front wheels of a wagon are 7 feet in circumference and the rear wheels are 9 feet in circumference. When the front wheels have made 10 more revolutions than the rear wheels, what distance has the wagon gone?
- BUP basketball team that has played 2/3 of its games has a record of 17 wins and 3 losses. What is the greatest number of the remaining games that the team can lose and still win at least 3/4 of all of its games?
- ’ক’ এর ওজনের চেয়ে ‘খ’ এর ওজন ১১ কেজি কম। আবার ‘গ’ এর ওজনের চেয়ে ‘খ’ এর ওজন ৭ কেজি বেশি। এখন ‘ক’ এর ওজন যদি ৫৩ কেজি হয়, তাহলে ‘গ’ এর ওজন কত?
- At Veridux Corporation, there are 250 employees,of these ,90 are female,and the rest are males.there are total of 40 managers ,and the rest of the employees are associates.If there are a total of 135 male associates,how many female managers are there?
- Instructions: DO NOT USE CALCULATOR. Figures are not drawn to scale. If x, y and z are positive integers such that when x is divided by y, the remainder is z and when x is divided by z, the remainder is (y-2), then which of the following must be true?
- `If 32 students in a class are female and in the class, the ratio of female students to male students is 16:9 , what percentage of the class is female?
- 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?
- 6,9,15,18 দৈর্ঘ্য বিশিষ্ট সরলরেখা দ্বারা কয়টি ত্রিভুজ গঠন করা যাবে?
- If 16% of 40% of a number is 8, the number is :
- The product of two numbers is 72. If 24 is their LCM what is their HCF?
- A man and his wife have seven sons, and every one of the sons has a sister, How many are there in the family?
- Harun is three times us old as Tamim. In eight years, he will be twice as old as Tamim. How old was Harun 3 years ago?
- Six men can earn as much as eight women, two women can earn as much as three boys and four boys can earn as much as five girls. If a girl can earn Tk. 50 a day, what amount can a man earn in a day?
- In a group of five men, no two men have the same age. The oldest man is 50 years sold, and the youngest 30 years old. If X years is the average age of the men in the group, which of the following best indicates all and only possible values of X? (All ages are in whole numbers)
- A trader purchased some pen for TK 120. If the price of each pen were Tk. 3 less, he would have got 2 more pens, How many pens did he buy?
- Six years ago Anita was P times as old as Ben. Anita is now 17. How old is Ben now in terms of p?
- Two people can make 2 bicycles in 2 hours. How many people are needed to make 12 bicycles in 6 hours?
- Total production cost is measure by the following mle:Total production cost = Material cost + Labor Cost + Overhead CostIn a celain production period, material cost was Tk. 20 and was Y‹ ths of labor cost. Overhead cost was Tk. 10 more than labor cost. What was the total production cost in Taka?
- x কে ৭ দিয়ে ভাগ করলে ভাগশেষ হয় ১। যদি y কে ৭ দিয়ে ভাগ করা হয় তাহলে ভাগশেষ হয় ২। তাহলে, x + y কে ৭ দিয়ে ভাগ করলে ভাগশেষ কত হবে?
- What is 10% of 20% of 30%?
- The price of sugar has increased by 32%. A family reduces its consumption so that the expenditure of sugar is up by 10% only. If the total consumption of sugar before the price rise was 10 kg per month, what is the consumption of sugar per month ( in kg )?
- If a, b and c are 3 consecutive integers in that order, which of the following has the lowest value?
- A number exceeds 20% of itself by 40. The number is_____.