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AP ਦਾ 4ਵਾਂ ਪਦ 11 ਹੈ। ਇਸ AP ਦੇ 5ਵੇਂ ਅਤੇ 7...

AP ਦਾ 4ਵਾਂ ਪਦ 11 ਹੈ। ਇਸ AP ਦੇ 5ਵੇਂ ਅਤੇ 7ਵੇਂ ਪਦਾਂ ਦਾ ਜੋੜ 34 ਹੈ। ਇਸਦਾ ਸਾਂਝਾ d ਲੱਭੋ...

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The 4th term of an AP is 11. The sum of the 5th and 7th terms of this AP is 34.Find its common difference.

If ^nC_4, ^nC_5 and ^nC_6 are in A.P. then the value of n will be (A) 14 (B) 11 (C) 7 (D) 8

If four numbers in A.P. are such that their sum is 50 and the greatest number is 4 times the least, then the numbers are (a) 5, 10, 15, 20 (b) 4, 10, 16, 22 (c) 3, 7, 11, 15 (d) none of these

If A-=(2,-3,7),B-=(-1,4,-5) and P is a point on the line AB such that AP:BP =3:2, then P has coordinastes (A) (7/5,(-18)/5,29/5) (B) 1/5,6/5,(-1)/5) (C) 4/5,(-1)/5,11/5) (D) (-7,18,-29)

If a_1,a_2,a_3,………….a_12 are in A.P. and /_\_1 =|(a_1a_5, a_1,a_2),(a_2a_6,a_2,a_3),(a_3a_7,a_3,a_4)|, |(a_2a_10, a_2,a_3),(a_3a_11,a_3,a_4),(a_4_12,a_4,a_5)| then /_\_1:/_\_2= (A) 1:2 (B) 2:1 (C) 1:1 (D) none of these