Question
A ground is divided into two equal parts. In one part of
the ground, there is a cycle race whereas there is a marathon in other part of the ground. At any point of time, the number of cyclists is two times the number of marathon runners. 10 runners participated in the marathon and two of them quit after every 5 min. When the runners quit, all the cyclists keep their one foot on the ground. Find the total number of feet on the ground after 10 mins? (Assume that runners’ both feet are on the ground after 10 min.)Solution
Number of marathon runners on the ground after 10 mins = 10 - (2 + 2) = 6 ∴ Number of cyclists on the ground after 10 mins = 6 × 2 = 12 ∴ Total number of feet on the ground after 10 mins = (6 × 2 ) + 12 = 24
In a rectangle, length : breadth = 4 : 3. What is the value of length : diagonal?
If G is the centroid and AD, BE, CF are three medians of ∆ABC with area 96 cm² , then the area of ∆EFG is?
If the curved surface area of a cylinder is 126π cm² and its height is 14 cm. then, what is the volume of the cylinder?
If angle between two sides of 3 cm & 2 cm of a triangle is 30°. what is the area of the triangle ?
If G is the centroid and AD, BE, CF are three medians of ∆ABC with area 42 cm 2 , then the area of ∆BGD is?
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 ...
In the given figure, PQR is a triangle and quadrilateral ABCD is inscribed in it. QD = 2 cm, QC = 5 cm, CR = 3 cm. BR = 4 cm. PB = 6 cm. PA = 5 cm and A...
Two angles are complementary. The larger angle is 6° less than thrice the measure of the smaller angle. What is the measure of the larger angle?
Relevant for Exams:
