A train left Dhaka for Chittagong at 62 km per hour and at the same time another train left Chittagong for Dhaka at 48 km per hour on the same route. How far apart were the two trains one hour before they met?
A. 80
B. 92
C. 100
D. 110
E. None of these
সঠিক উত্তরঃ
D.
110
Explanation:
Related Questions (Any University/Year)
- কোন সংখ্যাটি প্রশ্নবোধক স্থান দুটিতে বসবে?৯/?=?/৮১
- A long rope has to be cut to make 23 small pieces. If it is double folded to start with, how many times does it need to be cut?
- A train left Dhaka for Chittagong at 62 km per hour and at the same time another train left Chittagong for Dhaka at 48 km per hour on the same route. How far apart were the two trains one hour before they met?
- 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?
- If the radius of a circle is increased by 50%, what will be the percent increase in the circumference of the circle?( Circumference= 2pr)
- Rana is aged three times more than Moin. After 8 years, he would be two and a half times of Moin's age. After further 8 years, how many times Rana be of Moin's age.
- Square root of X is equal to cube root of 2X, then X = ?
- If Robert can sell 40 envelopes in 1 minute and Paul can do the same job in 80 seconds how many minutes ( to the nearest minute) it will take the two of them working together, to seal 350 envelopes?
- The first term in a sequence is x. Each subsequent term is three less than twice the preceding term. What is the 5th term in the sequence?
- Total production cost is measure by the following mle:Total production cost = Material cost + Labor Cost + Overhead CostIn a celain production period, material cost was Tk. 20 and was Y‹ ths of labor cost. Overhead cost was Tk. 10 more than labor cost. What was the total production cost in Taka?
- A salesman makes a 20 percent commission on the selling price of each set of encyclopedias he sells. If he sells 12 identical sets of encyclopedias and makes $1,800 in commissions ,what is the selling price of each set?
- the average age of a group of person going for a picnic is 16 years. twenty new person with the average age of 15 years joined the group on the spot. Due to that, the average age of the group became 15.5 years. what is the number of persons initially going for the picnic.
- The smallest of three consecutive even integers is 8 less than three times the largest. What is the largest of these integers?
- During transportation, 5% merchandise was stolen and another 5% was damaged, At what profit (in percentage) should the goods be sold so as to make an overall profit of 20%
- The owner of an apple orchard ships apples in boxes that weight 2 kg when empty. The average apple weight 0.25 kg. and the total weight of a box filled with apples is 12 kg How many apples are packed in each box?
- 84, 40, 18, ?
- In the figure above AD = 4, AB = 3, AE=1 and CD=9. What is the area of triangle AEC?
- The ratio of marbles owned by X and Y is 8:3. If X gives 8 marbles to Y, the ratio becomes 6:5. How many marbles does X have?
- The average (arithmetic mean) of four different positive integers is 20. What is the greatestpossible value of any of these integers?
- Out of a total of 1,000 employees at a certain corporation, 52 percent are female and 40 percent of these females work in research. If 60 percent of the total number of employees work in research, how many male employees do NOT work in research?
- 4/5 কে শতকরায় প্রকাশ করলে কত হয়?
- 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?
- The electric company charge: Tk. 0.30 per kilowatt hour (KWH). Rahim used 2800 KWH in April, 3200 KWH in May, and 3600 KWH in June. What was his average costs of electricity for the 3 months?
- নিচে চারটি বাক্সের দৈর্ঘ্য, প্রস্থ ও উচ্চতা দেয়া আছে। কোন বাক্সটি সবচেয়ে বড়?
- During a sale at a music store, if a customer buys one tape at full price, the customer is given a 50 percent discount on a second tape of equal or lesser value. If Linda buys two tapes that have full prices of $15 and $10, by what percent is the total cost of the two tapes reduced during this sale?
