Two circles touch each other externally. The distance between their centres is 7 cm. If the radius of one circle is 4 cm, then the radius of the other circle will be
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The third proportional of the following numbers (x - y)2, (x2 - y2)2 is
Sound travels at 330 metres per second. The distance (in kilometres) of a thunder cloud when its sound follows the flash after 10 seconds
If "basis points" are defined so that 1 percent is equal to 100 basis points, then by how many basis points is 82.5 percent greater than 62.5 percent?
If 10% loss is made on selling price, then the rate of loss on the cost price will be
The rate of working of A and B are in the ratio of 2:3. The number of days taken by them to finish the work is in the ratio:
Which of the following is/are 'rain cloud'?
1. Cirrus2. Nimbostratus3. Cumulonimbus4. Altocumulus
The first Indian citizen to get commercial Pilot's Licence was