The ratio of the speed of boat in still water to the speed of stream is 16 : 5. A boat goes 16.5 km in 45 minute upstream , find the time taken by boat to cover the distance of 17.5 km downstream .
A. 30 minutes
B. 25minutes
C. 50 minutes
D. 45 minutes
Officer [General] -Ansar VDP Unnayan, BD House Building Finance Corporationসাধারণ গণিতস্থানাঙ্ক জ্যামিতিসরলরেখার ঢাল ও সমীকরণ (Topic Practice)Officer [General] -Ansar VDP Unnayan, BD House Building Finance Corporation - ⚡ অনলাইন প্রশ্নব্যাংক দেখুন 💥
সঠিক উত্তরঃ
B.
25minutes
Explanation:
Related Questions (Any University/Year)
- A boat can travel with a speed of 13 km/hr in still water . If the speed of the stream is 4 km/hr, find the time taken by the boat to go 68 km downstream .
- The equation of the given curve is:
- y = 2 + 3x সমীকরণটির ঢাল কত ?
- If the slope of a line is \(\frac{1}{2}\) and the y-intercept is 3, what is the x-intercept of the same line?
- For what values of ‘k’ will the pair of equations 3x + 4y = 12 and kx + 12y = 30 not have a unique solution?
- রেখা \(3x - 4y = 12\) এর ঢাল কত হবে?
- \(x-3y=0\) সরল রেখাটি \(x\) অক্ষের যে বিন্দুতে মিলিত হয় তার স্থানাঙ্ক হলো-
- Which of the following equations does not represent a straight line?
- If Sufian's salary is 25% more than that of Habib , what is the ratio of the salary of Habib and Sufian ?
- The slope of the line passing through the point (5,5)is 5/6. All of the following points could be on the line except
- নিচের কোনটি সরলরেখার সমীকরণ?
- A ও B দুই বিন্দুর দূরত্ব = 60 m, উচ্চতা ভূমি থেকে যথাক্রমে 4 m ও 16 m হলে, নতির (slope) পরিমান কত?
- নিচের কোনটি সরলরেখার সমীকরণ?
- What is the slope of a line containing the points (1,13) and (-3,6)?
- A boat travel with a speed of 10 km / hr in still water. If the speed of the stream is 3 km / hr then find time taken by boat to travel 52 km downstream .
- At what point does the graph of 5x + 4y = 12 intersect the y-axis?
- Two different schools, A and B, have the same number of students. The ratio of the boys in school A and the boys in school B is 2:1 and the ratio of the girls in school A and the girls in school B is 4:5. What is the ratio of the boys in school A to the girls in school A?
- A, B and C invested capitals in the ratio of 4 : 6 : 9 At the end of the business term, they received the profit in the ratio of 2 : 3 : 5. Find the ratio of their time for which they contributed their capitals.
- উলম্ব রেখার ঢাল কত?
- The slpoe of the line perpendicular to the line y=-5x+9 is____
- Six years ago, the ratio of ages of Kunal and Sagars was 6 : 5. Four years hence, the ratio of their ages will be 11 : 10. what is Sagar's age at present ?
- Speed of a boat in standing water is 9 km/hr and the speed of the stream is 1.5 km/hr. A man rows to a place at a distance of 105 km and comes back to the starting point .The total time taken by him is -
- নিচের কোনটি সরল রেখার সমীকরণ নির্দেশ করে না?
- what is the slope of the line perpendicular to the line y = -5x +9 ?
- Three partners shared the profit in a business in the ratio 5 : 7 : 8 . They had partnered for 14 months, 8 months and 7 moths respectively . What was the ratio of their investments ?
