একটি ধাতব ঘন(cubical) বস্তুর ওজন ৮ কেজি।একই ধাতুর তৈরী আরেকটি ঘন বস্তু যার প্রতিটি বাহু দ্বিগুণ হলে বস্তুটির ওজন কত কেজ???
A. 48
B. 32
C. 24
D. 64
সঠিক উত্তরঃ
D.
64
Explanation:
Related Questions (Any University/Year)
- এক ব্যক্তি তাঁর স্ত্রীর চেয়ে ৩ বছরের বড় এবং তাঁর স্ত্রীর বয়স তাদের ছেলের বয়সের ৪ গুণ। ৪ বছর পর ছেলের বয়স ১২ বছর হলে সেই ব্যক্তির বর্তমান বয়স কত ?
- নিচের ছবিতে ভারসাম্য রক্ষার জন্য কত ওজনের প্রয়োজন?
- A steel mill produces 180 tons of steel per month. Raw materials cost for each ton of production is Tk. 1200. Other expenses of that mill are Tk. 90,000 in each month. What should be the selling price of each ton of steel in order to make 10% profit?
- Tk. 385 has been divided among A , B,C in such a way that A receive 2/9th of What B and C together receive . Then A's share is?
- Ehsan was preparing to make a tape from some of his favourite songs. He noticed that Hadi's song was 1 minute longer than Bonna's song. Duration of Niaj's song was 1 minute shorter than twice the duration of Bonna's song. If the total time for these songs is 12 minutes, how long is Niaj's song?
- A discount of 20 percent on an order of goods followed by a discount of 10 percent amounts to
- If a and b possible integers and (a1/2b1/3)6 =432, what is the value of ab?
- A husband and wife have six married sons . Each of them has four children . The total number in the family is :
- A straight fence is to be constructed from posts 6 inches wide and separated by lengths of chain 5 feet long. If a certain fence begins and ends with a post, which of the following could be the length of the fence in feet? (12 inches = 1 foot). Indicate ALL such answers.
- If pqr=1,rst = 0, and spr=0, which of the following cannot be zero? Indicate ALL such answers.
- 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?
- In the trapezoid, ∠CAB = ∠DBA =60° and AC = DB = 10 cm. Find the area of the trapezoid.
- A store owner brought a lot of hats, 1/4th of which was brown. He sold 2/3 of the hats including 4/5 of the brown hats. What fraction of the unsold hats was brown?
- 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?
- A box contains 24 red socks and 43 green socks. How many green socks must be removed from the box so that 60% of the socks in the box will be green?
- A certain recipe calls for 3kgs of sugar for every 6 kgs of flour. If 60kgs of this sweet has to be prepared, how much sugar is required?
- An ambulance travels 10 miles at a speed of 75 miles per hour. How fast must the ambulance travel on the return trip if the round-trip travel time is to be 20 minutes?
- what is the circumference radius of a triangle whose sides are 7,24 and 25 respectively?
- 24 men working at 8 hours per day can do a piece of work in 15 days. In how many days can 20 men working at 9 hours per day do the same work?
- There are 12 men on basketball team, and in a game 5 of them play at any one time, If the game is 1 hour long and if each man plays exactly the same amount of time, how many minutes each man play?
- If X4=81 and Y2= 49, then maximum possible value for Y-X is
- If 25% of x equals 30% of y and 24% of y equals 20% of z, what is the ration of x to z?
- The population of City X is 40% of the population of city Y. The population of city X is what percent of city X and city Y together?
- একটি প্রতিষ্ঠানের ৪০% কর্মচারী আন্ডারগ্রাজুয়েট অবশিষ্ট কর্মচারীদের ৫০% গ্রাজুয়েট এবং অবশিষ্ট ১৮০ জন পোস্ট গ্রাজুয়েট। প্রতিষ্ঠানটির কত জন কর্মচারী গ্রাজুয়েট?
- A 112-meter rope is cut into three pieces with each piece twice as long as the previous one. How long is the longest piece?