Question
A paper is in the form of rectangular piece PQRS in
which PQ = 40 cm and QR = 28 cm. A semi-circular portion with QR as diameter is cut off. Find the area of the remaining part.Solution
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If the product of roots of equation x2 - 3(2p+4)x + (p2 - 24p + 145) = 0 is unity, then 'p' can take the values as
Train A running at a speed of 46 km/hr. crosses train B in 30 seconds. Find the speed of train B (in km/hr), if the sum of the length of train A and B i...
Which of the following is the justification that aligns text on both margins of a document in Word?
The downstream speed of a boat is 4 km/hr more than its upstream speed and the ratio of the speed of the boat in still water to the speed of the stream ...
Two places X and Y are 450 km apart. A truck leaves place X from place Y and at the same time another truck leaves place Y to X. Both the men meet 9 hou...
A person travelled a distance of 190 km in 5 hours. He travelled partly on a car at the speed of 70 kmph and partly on cycle at 30 kmph. What is the dis...
If x and y are the roots of x2 + x + 3 = 0, then (x11 + y11)/(x-11 + y-11) is equal to:
The main folder on a storage device is known as
A boat takes 7 hours to cover 294 km upstream and 9 hours to cover 486 km downstream. Find the time taken by the boat to cover 720 km upstream and 616 k...
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