The total age of father and son at present is 74 years. 10 years ago the ratio of their ages was 7:2. What will be the ratio of their ages after 10 years?
A. 2: 2
B. 31: 16
C. 12: 16
D. 8:11
E. 19: 17
সঠিক উত্তরঃ
B.
31: 16
Explanation:
Related Questions (Any University/Year)
- You buy equal number of two types of chocolate at the rate of TK 1/9 and TK 1/11 respectively. if you now sell them at the rate of TK 1/10 , what will be your profit / loss ?
- A shoe seller sold one pair of shoes for 20 taka. The buyer did not have change and gave the seller a 100 taka note. The seller took taka 100 change since he had none in his cash box from a neighbor businessman and returned the buyer required change plus the shoe he bought. Moments later after the client had left the seller found that he was given a fake note. What was the amount of loss for the seller?
- Two trains are running in opposite directions in the same speed. The length of each train is 120 metre. If they cross each other in 12 seconds, the speed of each train (in km/hr) is:
- তোমার নিকট 52 গ্রাম ও 116 গ্রাম ওজনের অনেকগুলো লোহার বার আছে। এগুলোকে দাঁড়িপাল্লার উভয় প্রান্তে ব্যবহার করে সর্বনিম্ম কত গ্রাম ওজনের জিনিস মাপা যেতে পারে?
- A And B can run 200m in 22 and 25 seconds respectively. How far is B from the finishing line when A reaches it?
- 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?
- Reservoir A contains 450 million gallons of water more than does Reservoir B. If 100 million gallons of water were to be drained from Reseryoir A into Reservoir B, then Reservoir A would contain twice as much water as would Reservoir B. How many million gallons of water does reservoir A currently contain?
- A nut mixture consists of peanuts, pistachios, and macadamia nuts in the ratio 5:3:2, respectively, by weight. What amount of pistachios will be in 40 pounds of the mixture?
- How much will it cost to fence a field that is 12 feet long and 42 feet wide with fence that costs tk 10 a yard?
- কোন একটি পণ্যের দাম প্রথমে ১৫% বাড়ানো হলো এবং এরপর ১৫% কমানো হলে দাম-
- If s shirts can be purchased for d dollars, how many shirts can be purchased for t dollars?
- A car covers four successive 7 km distance at speeds of 10 km/hr, 20 km/hr, 30 km/hr and 60 km/hr , respectively . Its average speed over this distance is :
- 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?
- The present ratio of students to teachers at a certain school is 30 to 1. If the student enrollment were to increase by 50 students and the number of teachers were to increase by 5, the ratio of students to teachers would then be 25 to 1. What is the present number of teachers?
- A can do work in 15 days and B in 20 days. If they work on it together for 4 days, then the fraction of the work that is left is:
- A hospital needs 150 pills to treat 6 patients for a week. How many pills does it need to treat 10 patients for a week?
- In takes one machine 4 hours to complete a production order and another machine 3 hours to complete the same order. How many hours would it take when both machines complete the order simultaneowsly at their respective rates?
- The price of a cycle is reduced by 26 per cent. The new price is reduced by a further 20 par cont. The two reductions to equal to a single action of
- A father is three times as old as his son. In 12 years' time, he will be twice as old as his son. How old is the father now?
- The price of an article has been reduced 25%. In order to restore the original price, the new price must be increased by