Four concentric circles are given. The radius of 1st circle is x. Next is 2x, then 3x and 4x. Given that area between 2nd and 1st is A and 4th and 3rd circles being B. Find ratio of A to B
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11.The addition 742586 + 829430 = 1212016 is incorrect. It can be corrected by changing one digit d, wherever it occurs, to another digit e. Find sum of d and e. A. 6 [DCRU] B. 4 C. 10 D. 8
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Two trains are traveling at 18kmph and are 60 km apart. There is flying in the train. It flies at 80kmph. It flies and hits the second train and then it starts to oscillate between the two trains. At one instance when the two trains colloide it dies. At what distance travel by the fly.
A man while going down in a escalator(which is moving down) takes 50 steps to reach down and while going up takes 125 steps. If he goes 5 times faster upwards than downwards. What will be the total no of steps if the escalator were'nt moving.
Mixed Economy can be defined as a form of organization where the elements of both capitalist economy and socialist economy are found.is it true or false?
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A number is such that when it is multiplied by 8 , it gives another which is as much above from 270as the original (itself) is below 270. The average of the original number and the resultant number is
A circle and a rectangle have the same perimeter. The sides of the rectangle are 18 cm and 26 cm. What will be the area of the circle? (a) 88 cm2 (b) 1250 cm2 (c) 154 cm2 (d) 128 cm2 (e) None of these
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) A rope of given length is used to form a triangle of sides 23, 24, 34 cm. If the same rope is used to form a square, what would be the area of square?
how to calculate three digit number multiplication? send me any shortcut? 235*235
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