The sum of four consecutive terms which are in an AP is 32 and ratio of the product of the first and the last term to the product of two middle terms is 7:15 find the numbers
An object 4 CM tall is placed at 15cm in front of a concave mirror of radius of curvature 20cm.At what distance from the mirror a screen should be placed to get a sharp image? Also state the nature of the image and height of it?
Hi we have made sales to party in jan 2020, but sale invoice issued for higher amount and paid output tax can raise a debit note now in June 2020, whtas the time period 180 days ? 1)
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