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A cyclist rides at a constant speed of 12 miles per hour for the first half of a journey. For the second half, the cyclist increases the speed to 18 mil...
What is the average number of DELL laptops sold in all the given years?
The length of a rectangle is increased by 20% and the width is decreased by 10%. What is the percentage change in the area of the rectangle?
Let a point P(at² , 2at)lie on parabola y² = 4ax. The line joining P and focus intersects the directrix at M. If t=2, then the coordinates of M are:...
If a man rides a bicycle at a speed of 50 km/h for 2 hours and at a speed of 40 km/h for the next 4 hours then what will be the average speed?
Two tangents are drawn from an external point to a circle with radius 8 cm, and the distance between the external point and the center of the circle is ...
- In ΔPQR, ∠Q is a right angle. If PQ = 15 cm and QR = 20 cm, find the length of the circumradius of triangle PQR.
Calculate the total sum of all numbers between 101 and 149 that are divisible by 5.
A tap of type '5P' can completely fill a tank in 'P/2' hours, whereas a tap of type '2Q' can fill the same tank in '4Q/5' hours.<...
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