Trick 417 – Shortcut for an Arithmetic Progression Problem - Videos

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Shortcuts to do calculations mentally, useful for developing numerical aptitude and for success in competitive examinations…..watch this amazing trick to learn how to find the accurate answer for an interesting arithmetic progression problem….too good for class X students and for competitions….for more videos, keep visiting:
https://www.youtube.com/channel/UCXJhrvWgd1v3jb8X1SZfcOg
www.sureshaggarwal.com

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