important questions form the lesson arithmetic profession class 10 CBSE board
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do all questions of ncert....its enough for basic as well as standard maths.
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find the value of k for which k+9,2k-1,2k+7 are the consecutive term of an ap
parvathi2005:
hi bro how to do this question
there is only 3 easy formula.......
first do the examples then exercises.....
follow me
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