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)
- (3 × 104)+(2 × 102)+(4 × 10)=
- Oeshi has taken five math tests so far this semester. If she gets a 60 on his next test, that grade will lower her test average by 4 points. What is her average now?
- At Veridux Corporation, there are 250 employees. Of these, 90 are female, and the rest are males. There are a 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?
- Jamal is now 7 times as old as Jashim. If 10 years from now, he will be 3 times as old as Jashim, how old is Jamal now?
- 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?
- 3, 9 ও 4 এর চতুর্থ সমানুপাতিক কত?
- মোহন ও সোহানের বর্তমান বয়সের অনুপাত ২ : ৩ এবং তাদের বয়সের পার্থক্য ১২ বছর। সোহানের বর্তমান বয়স কত?
- The difference between the sum of two Numbers and difference of the two numbers is 6. Find the larger of the two numbers if their product is 15.
- It takes 24 hours for 10 men to make 15 Christmas cakes. How many cakes can be made if 8 men work for 36 hours?
- The reciprocal of pln is nlp and vice versa. Which of the following is the reciprocal of 2/√18
- A trader normally makes a profit of 40% on items he sells. If he reduces the price by 10%, his sales increase by 40%. Let x be the total profit when he does not reduce the price, and y the total profit when he reduces the price. What is the ratio of y to x?
- Three friends A, B and C have lunch together... What is A's share in the $4?
- Rayaan purchased equal number of bananas at two different rates-one at the rate of 8 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?
- Running at the same constant rate, 6 identical machines can produce a total of 270 bottles per minute. At this rate, how many bottles could 10 such machines produce in 4 minutes?
- ঢাকা থেকে চট্টগ্রাম এর দূরত্ব ১৮৫ মাইল। চট্টগ্রাম থেকে একটি বাস ২ ঘণ্টায় প্রথম ৮৫ মাইল যাওয়ার পর পরবর্তী ১০০ মাইল কত সময়ে গেলে গড় ঘন্টায় ৫০ মাইল যাওয়া হবে?
- If each photocopy of a manuscript costé 4 cents per page, what is the cost, in cents, to reproduce x copies of an x-page manuscript?
- If 25% of x equals 30% of y and 24% of y equals 20% of z, what is the ration of x to z?
- If 12 men can reap 120 acres of land in 36 days, how many acres of land can 54 men reap in 54 days?
- If 6 workers can complete 9 identical job in 3 days, how long will it take 4 workers to complete 10 such jobs ?
- Instructions: DO NOT USE CALCULATOR. Figures are not drawn to scale. If \(x > y > 1\), which of the following must be greater than x?