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The 4^(th) term of an A.P. is 14 and its...

The `4^(th)` term of an A.P. is 14 and its `12^(th)` term is 70 . What are first term and common difference ?

A

`7,-10`

B

`-7,7`

C

`7,7`

D

`10,7`

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MTG IIT JEE FOUNDATION-ARITHMETIC PROGRESSIONS -EXERCISE (MULTIPLE CHOICE QUESTION )(LEVEL 1 )
  1. If four numbers in A.P. are such that their sum is 50 and the great...

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  2. If the first, second and last term of an A.P. are a ,\ b and 2a res...

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  3. Which term of the AP: 3, 15, 27, 39, . . . will be 132 more than its 5...

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  4. Sum of n terms of the series sqrt(2)+sqrt(8)+sqrt(18)+sqrt(32)+\ dd...

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  5. In an A.P., if common difference d = 3, then a(5)-a(7) is equal to

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  6. The value of a(30)-a(20) for the A.P. -3,-1,1,"…." is

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  7. The 4^(th) term of an A.P. is 14 and its 12^(th) term is 70 . What are...

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  8. If 3, 4+p^(2),6 - p are in A.P. then p must be equal to

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  9. The first and last terms of an A.P. are 1 and 11. If the sum of its...

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  10. The sum (-6)+(0)+(6) +"…. Upto "13^(th) term =

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  11. If the second and seventh terms of an A.P. are 2 and 22 respectively. ...

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  12. A thief runs with a uniform speed of 100 m/min. After one minute a pol...

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  13. 25 trees are planted in a straight line 5 metre apart from each other....

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  14. Two persons Anil and Happy joined D.W .Associates .Anil and Happy star...

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  15. If a clock strikes once at one O'clock twice at two O'clock ,thrice at...

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  16. The sum of all terms of an arithmetic progression having ten terms exc...

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  17. A man is saves Rs 400 more each year than he did the year before . If ...

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  18. The sum of three terms of an A.P. is 21 and the product of the first a...

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  19. The angles of a quadrilateral are in A.P. whose common difference is 1...

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  20. Divide 56 into four parts which are in A.P. such that the ratio of pro...

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