Alam starts working on a job and works on work. Then babu joins Alam and together they complete the est of the work in 12 days . How long (in days) will it take Babu to complete the job if he works alone ?
A. 30
B. 45
C. 60
D.
গ্যাস ট্রান্সমিশন কোম্পানি লিমিটেডমানসিক দক্ষতা(IQ)গাণিতিক সমস্যাIQ-4 (Topic Practice)গ্যাস ট্রান্সমিশন কোম্পানি লিমিটেড - ⚡ অনলাইন প্রশ্নব্যাংক দেখুন 💥
সঠিক উত্তরঃ
C.
60
Explanation:
Related Questions (Any University/Year)
- If 5 students run a mile in 5 minutes, how much time will 50 students take to run a mile?
- A store has five shelves and the average weekly sale of the store is tk. 30,000. Shelf 1 accounted for 1/4 of the store's average weekly sales and stores 2 and 3, each accounted for 2/3 as much as shelf 1. If shelf 4 alone accounted for as much as shelf 1 then, which of the following could have been the average weekly sales of shelf 5 for the store?
- The difference of the squares of two consecutive odd numbers is 84. What is the sum of the two numbers?
- In a certain game, each of the five players received a score between 0 and 100 inclusive. If their average was 80, what is the greatest possible number of 5 players who could have received a score of 50?
- The electric company charge: Tk 0.3 per KWH. Rahim used 2800 KWH in April, 3200KWH in May, and 3600 KWH in June. What was his average costs of electricity in taka for the 3 months?
- 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 workers can do a job in 12 days. One of the workers works twice as fast as each of the other two. How long would it take the faster worker to do the job alone?
- Rahman is twice as old as Shermin. In y years Shermin will be 1.5 times older than she is now. What is Shermin's age?
- Two hours after train A has started its journey, train B started from the same point to the same direction at a speed of 18 km/h. If the speed of train A is 9 km/h then how many hours would it take for train B to catch the first train?
- The price of a laptop was sold at 10% discount on the price. If the profit is Tk. 2400 what was the cost of the laptop is TK?
- শতকরা বার্ষিক কতটাকা সুদে ৫০০০ টাকার ৪ বছরের সুদ ২০০০ টাকা হবে?
- A picnic was arranged by m students. Total cost of the picnic was estimated to be y taka. Unfortunately, z students withdrew their names from the picnic. How many more taka would each of the remaining students have to pay?
- 150 meter long train takes 10 seconds to pass a man who is going in the same direction at the speed of \(2~km/hr.\) what is the speed of the train?
- The living room in Dina's home is 182 square feet. How many square yards of carpet should she purchase to carpet the room?
- Shabbir has a brother one-fourth of his age and a sister two times of his age. If the combined age of all the three siblings is twenty more than thrice the age of the youngest, how old is Shabbir's sister?
- A manufacturer prints books at a cost of Tk. x each for the first thousand copies printed. The second thousand copies printed cost Tk. 0.9x each. If it costs Tk.3,264 to print 1,400 copies of a book, then x is:
- 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
- A certain machine can make 3 widgets every 27 seconds. At this rate, how many widgets will be made in 1 minute?
- 9 numbers are written in ascending order, middle number is average of that nine numbers. Average of five larger numbers is 68 and also average of five smaller numbers is 44. What is the sum of all nine numbers?
- A container holds 40 gallons which is 80% water and 20% acid. How much of the water must be evaporated to produce a solution containing 50% acid?
- An amount of money is to be distributed among P, Q and R in the ratio of 6:19:7 respectively. If R gives 200 TK of his share to Q, the ratio among P ,Q and R becomes 3:10:3 respectively. What was the total amount in taka?
- 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?
- Lima is 6 years older than her sister Sharmin, and Jamal is 5 years older than Lima. If the total of their ages is 41, how old is Jamal?
- ৫-এর কত শতাংশ ৭ হবে------
- একটি কুকুর একটি খরগোশকে ধরার জন্য তাড়া করে। কুকুর যে সময়ে ৪ বার লাফ দেয়, খরগোশ সে সময়ে ৫ বার লাফ দেয়। কিন্তু খরগোশ ৪ লাফে যতদূর যায়, কুকুর ৩ লাফে ততদূর যায়। কুকুর ও খরগোশের গতিবেগের অনুপাত কত?
