The average age of a man and his son is 20. After 10 years, their age will be in the ratio 2:1. What was the age of the man and his son 5 years ago respectively?
A. 15,5
B. 25,15
C. 25,5
D. 15,10
E. None
সঠিক উত্তরঃ
C.
25,5
Explanation:
Related Questions (Any University/Year)
- ৫০ পয়সা ১০০ টাকার কত ভগ্নাংশ?
- If a, b and c are 3 consecutive integers in that order, which of the following has the lowest value?
- 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?
- In a certain shipment 2% of the boxes shipped were damaged. If the loss per damaged box was Tk. 35 and the total loss due to damage was Tk. 700, how many boxes were shipped?
- ৫-এর কত শতাংশ ৭ হবে------
- The average of three numbers is 6 and the average of four numbers including the previous three numbers is 8. What is one half of the fourth number?
- A company has 3,600 employees of which 1/3 are clerks. If the clerical staff is reduced by 1/3, what percent of the total number of remaining employees would be clerical staff?
- 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?
- 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 train takes 10 seconds to cross a pole and 20 seconds to cross a platform of length 200 m. What is the length of train?
- 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)?
- 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 0≤x≤5 and y<15, which of the following cannot be a possible value of xy?
- 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 not be the length of the fence in feet? (12 inches =1 foot)
- Find the average of all whole numbers between 1 and 100 that end in 3.
- What is the ratio of the students playing football in Class XI to those in Class X ?
- রাবেয়া একটি বালিকা শ্রেনির যে কোনো প্রান্ত থেকে একাদশ অবস্থানে আছে। শ্রেনিতে মোট বালিকার সংখ্যা কত?
- If a man's weekly salary is Tk. P and he saves Tk. M, what faction of his weekly salary does he spend?
- The average mark obtain by 10 students was 6 and the average mark obtained by 6 students was 17. What was the average mark obtained by all 16 students ___.
- If a, b and c are 3 consecutive integers in that order, which of the following has the lowest value?
- 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?
- If y*x=y2x for all positive integers than (3*4)*2 =
- The living room in Dina's home is 182 square feet. How many square yards of carpet should she purchase to carpet the room?
- ৬ + ৫ এর ১২=?
- 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?
- একটি উড়োজাহাজ ঘন্টায় ২৮০ মাইল গতিতে ৬ ঘন্টায় কোনো একটি নিদিষ্ট দূরত্ব অতিক্রম করে। উক্ত দূরত্ব ২ ঘন্টায় অতিক্রম করতে হলে উড়োজাহাজটির গতি কত হবে?
- A factory that employs 1000 assembly in workers pays each of these workers at a rate of Tk. 5 per hour for the first 40 hours worked during a week and 1.5 times that rate for the hours worked in excess of 40 hours. What is the total amount paid to the workers in a week in which 30% of the workers worked 20 hours, 50% worked 40 hours and the rest of the workers worked 50 hours?
- What number should replace the question mark?
- স্রোতের প্রতিকূলে যেতে যে সময় লাগে, অনুকূলে যেতে তার অর্ধেক সময় লাগে। যাতায়াতে যদি ১২ ঘন্টা সময় লাগে, তাহলে স্রোতের অনুকূলে যেতে কত ঘন্টা সময় লাগবে?
- If the 8% tax on a cell amounts to 96¢, what is the final price( tax included) of the item?
- 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?
- A woman was thirty years old when her daughter was born. Her age is now 6 years more than three times her daughter’s age. How old will be the daughter in 5 years?
- The sides of two differ by 2 cm and their volumes differ by 152 cm^3. What is the length of the side of the smaller one?
- If 1.4 is halfway between two point x and y , what are the possible values of x and y?
- In a certain shipment 2% of the boxes shipped were damaged. If the loss per, damaged box was Tk. 35 and the total loss due to damage was Tk. 700, how many boxes were shipped?
- Average of 5 consecutive even numbers is 8 which is the smallest of the 5 number----.
- Of the 400 students in a business school, 30% were women and of these 1/5th became entrepreneurs. If the number of men who became entrepreneurs was twice the number of women entrepreneur s, how many men became entrepreneurs?
- One worker can do a job in M hours while it takes second worker N hours to do the same Job. How long does it take for both workers together to do the job?
- The price of article has been reduced 25%.In order to restore the original price the new price must be increased by
- ৮৮০ এর তিন চতুর্থাংশের এক দশামাংসের অর্ধেক কত?
