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 -
A. 18
B. 16
C. 24
D. 20
Probashi Kallyan Bankসাধারণ গণিতস্থানাঙ্ক জ্যামিতিসরলরেখার ঢাল ও সমীকরণ (Topic Practice)Probashi Kallyan Bank - ⚡ অনলাইন প্রশ্নব্যাংক দেখুন 💥
সঠিক উত্তরঃ
C.
24
Explanation:
Related Questions (Any University/Year)
- Find the slope of the line 5x-5y=7
- y = 2 + 3x সমীকরণটির ঢাল কত ?
- A ride in a taxicab costs $1.25 for the first mile and $1.15 for each additional mile. Which of the following could be used to calculate the total cost y of a ride that was x miles?
- উলম্ব রেখার ঢাল কত?
- 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 .
- নিচের কোনটি সরল রেখার সমীকরণ নির্দেশ করে না?
- If the equation of a line p in the coordinate plane is y = 3x + 2, what is the equation of line q which is a reflection of line p in the x axis?
- দুটি লাইন একে অন্যের থেকে ২ মিটার দূরে সমান্তরাল ভাবে চলে যাচ্ছে। তারা এক অন্যের সাথে মিলিত হবে কত মিটার দূরে?
- \(x-3y=0\) সরল রেখাটি \(x\) অক্ষের যে বিন্দুতে মিলিত হয় তার স্থানাঙ্ক হলো-
- 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?
- what is the slope of the line perpendicular to the line y = -5x +9 ?
- 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 .
- A bag contains an equal number of one rupee , 50 paisa and 25 paisa coins . If the total value is TK. 35 , how many coins of each type are there?
- For what values of ‘k’ will the pair of equations 3x + 4y = 12 and kx + 12y = 30 not have a unique solution?
- which line is parallel to y = x -2?
- The equation of the given curve is:
- If the figure below, what is the slope of line?
- A and B started a partnership business investing some in the ratio of 3:5 , C joined them after six months with an amount equal to that of B. In what proportion joined them after six months with an amount equal that of B. In what proportion should the profit at the and of the first year distributed among A. B and C
- In a mixture, the ratio of the milk and water is 6 : 5. when 22 liter mixture is replaced by water, the ratio becomes 9 : 13. Find the quantity of water after replacement.
- x + 2y =8 এবং 2x +y =7 সরল রেখা দুইটির ছেদবিন্দু কোনটি?