How many terms are there in the A.P? ...

How many terms are there in the A.P? `7,\ 10 ,\ 13 ,\ 43.` (ii) `-1,\ -5/6,\ -2/3,\ -1/2,\ ddot,(10)/3dot` (iii) `7,\ 13 ,\ 19 ,\ ddot,\ 205` . (iv) `18 ,\ 15 1/2,\ 13 ,\ ddot,\ -47` .

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Is 68 a term of the A.P. 7,\ 10 ,\ 13 ,\ dot?

How many terms are there in the series : 4,7,10,13,……..148?

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Find 10 t h term of the A.P. 1,\ 4,\ 7,\ 10 ,\ ddot

Find n t h term of the A.P. 13 ,\ 8,\ 3,\ -2,\ dot

Find the middle term(s) of the A.P. 7,\ 13 ,\ 19 ,\ ddot,\ 241 .

Find the 12 t h term from the end of the following arithmetic progressions: 3,\ 5,\ 7,\ 9,\ ddot\ 201 (ii) 3,\ 8,\ 13 ,\ ddot,\ 253 (iii) 1,\ 4,\ 7,\ 10 ,\ ddot ,\ 88

Find the sum: 25+28+31+\ dot\ +100 (ii) 18+15 1/2+13+\ dot+\ (-49 1/2)

Write 5t h term from the end of the A.P. 3,\ 5,\ 7,\ 9,\ ddot,\ 201 .

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