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Since the train covers different distance with different speeds. So, Average speed = Total Distance/Total Time Total distance = 91 + 60 + 88 = 239 km Time1 = 91/65, Time2 = 60/40 & Time3 = 88/80 Total Time = 91/65 + 60/40 + 88/80 Therefore, Average Speed = 239/(91/65 + 60/40 + 88/80) = 59.75 km/hr
In a regular polygon, the ratio of the exterior angle to the interior angle is 4:5. Find the interior angle of the polygon.
In ΔABC, PQ is parallel to BC If AP: PB= 3:4 and AQ= 6 cm, AC is equal to?
If G is the centroid and AD, BE, CF are three medians of ∆ABC with area 216 cm 2 , then the area of ∆AGF is?
The area of an equilateral triangle is 16√3 sq m. Its perimeter is
If the area of ∆ ABC is 33 cm2 & G is the centroid of ∆ ABC.then the area of the ∆ BGC?
What will be circumradius of a right angle triangle whose base is 7 cm & height is 24 cm ?
Length and breadth of a rectangle are 8 cm and 6 cm respectively. The rectangle is cut on its four vertices such that the resulting figure is a regular ...
Triangle ABC and triangle ACD are right angled triangle and AB = x cm. BC = y cm, CD = z cm and x times; y = z and x, y and z has minimum integra...
If O is circumcentre of acute angled triangle ABC, if ∠ OBC = 180 then ∠BAC = ?
