Question
A train 400 m long running at 108 km/hr takes 35 seconds
to cross a bridge. The length of the bridge isSolution
Speed of train = 108 km/hr = 108 × (5/18) = 30 m / sec If the length of bridge be x metre, then ⇒ 30 = (400 + x)/35 ⇒ 400 + x = 1050 ⇒ x = 1050 – 400 = 650 metre
Find the difference between angle and its complement if the angle is three-seventh of its complement.
A triangular field has sides 13 m, 14 m, and 15 m. A well with a diameter of 7 m is dug outside the field. If the entire soil dug from the well is used ...
If O is circumcentre of acute angled triangle ABC, if ∠ OBC = 150 then ∠BAC = ?
Find the area of triangle having sides in the ratio 3:5:7 & the perimeter of the triangle is 60 cm
If I is the incentre of ΔABC , if ∠BAC = 300 , then what is the measure of ∠BIC?
At the centre of a circle of 20 cm radius, the angle made by an arc of 24(4/9) cm length is
Orthocenter of an right angle triangle lies on
Angles of a triangle are in the ratio 3 : 5 : 10. Find the sum of the smallest and middle angle of the triangle.
The diagonals of a rectangle are inclined to one side of the rectangle at 25°. The acute angle formed between the diagonals is:
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