Question
What is the thermal efficiency for diesel
engine?Solution
The correct answer is A
The minute hand of a clock is 28cm long. Find the area on the face of the clock swept by the minute hand between 8 a.m. and 8: 45a.m
Find the area of the sector of a circle with radius 14 cm and central angle 90°.
The wheel of a car made 300 rotations. How much distance did the car travel if the diameter of the wheel is 28 inches? (1 inch = 2.54cm)
A circular racing track has been developed in a field. If the difference between the outer circumference and the inner circumference of the racing track...
In a circle AB is diameter & C is a point on circumference such that AC = 8 cm & BC = 15 cm then find the area of circle ?
Two tangents are drawn from an external point P to a circle with center O and radius r. If the distance between P and O is 2r, find the angle subtended ...
In a circle, the length of a chord AB is 48 cm & radius is 25 cm. Find the distance between centre and chord.
In a circle, two chords AB & CD are produced at P which is outside the circle . If PA= 12 cm, AB= 10 cm , PC = 2 cm then find CD.
- The circumference of a circle is 176 cm while the length of the rectangle is 9 cm more than the radius of the circle. Find the perimeter of the rectangle i...
- The area of a circle is nine times its circumference (numerically). What is the diameter of the circle?
