The measures of the four angles of a quadrilateral are in the ratio 1:2:3:4. What is the measure of the biggest angle?
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The area of a square is 40.5 cm². Find the length of its diagonal (in cm).
What is the value of [sin (90 – A) + cos (180 – 2A)]/[cos (90 – 2A) + sin (180 – A)]?
The price of an article is cut by 42%, to restore to its original value, the new price must he increased by ______.
Aditya got 78% marks in the examination. If he secured 663 marks, find the maximum marks.
Two cyclists P and Q cycle at 20 km/hr and 25 km/hr towards each other. What was the distance (in kms) between them when they started if they met after 56 minutes?
If P travelled the first half of a journey at 40 kmph and the the remaining distance at 50 kmph, what is the average speed of his travel?
A train 240 meters in length crosses a telegraph post in 16 seconds. The speed of the train is?