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Let `a_1,a_2,a_3…… ,a_n ` be in G.P such that `3a_1+7a_2 +3a_3-4a_5=0` Then common ratio of G.P can be

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If the first term of a G.P. a_1, a_2, a_3, ddot is unity such that 4a_2+5a_3 is least then the common ratio of G.P. is -2//5 b. -3// c. //5 d. none of these

Let {a_n} bc a G.P. such that a_4/a_6=1/4 and a_2+a_5=216 . Then a_1=

a_1,a_2, a_3, ,a_n are in A.P. and a_1+a_3+a_5+a_7+a_9=20 then a_5 is 2 2. 7 3. 3 4. 4 5. 5

Let a_1,a_2 ,a_3 …..be in A.P. and a_p, a_q , a_r be in G.P. Then a_q : a_p is equal to :

Let a_1, a_2, a_3, ,a_(101) are in G.P. with a_(101)=25a n dsum_(i=1)^(201)a_1=625. Then the value of sum_(i=1)^(201)1/(a_1) equals____________.

Let a_1, a_2, a_3, ?a_10 are in G.P. if a_3/a_1 =25 then a_9/a_5 is equal to (A) 5^4 (B) 4.5^4 (C) 4.5^3 (D) 5^3

Let a_1, a_2, a_3, ?a_10 are in G.P. if a_3/a_1 =25 then a_9/a_5 is equal to (A) 5^4 (B) 4.5^4 (C) 4.5^3 (D) 5^3

Let a_1, a_2, a_3, ....a_n,......... be in A.P. If a_3 + a_7 + a_11 + a_15 = 72, then the sum of itsfirst 17 terms is equal to :

Let a_1,a_2,a_3 …. a_n be in A.P. If 1/(a_1a_n)+1/(a_2a_(n-1)) +… + 1/(a_n a_1) = k/(a_1 + a_n) (1/a_1 + 1/a_2 + …. 1/a_n) , then k is equal to :

Let a_1=0 and a_1,a_2,a_3 …. , a_n be real numbers such that |a_i|=|a_(i-1) + 1| for all I then the A.M. Of the number a_1,a_2 ,a_3 …., a_n has the value A where : (a) A lt -1/2 (b) A lt -1 (c) A ge -1/2 (d) A=-2

RESONANCE DPP ENGLISH-JEE MAINS-All Questions
  1. If |x3-2 2-3 1 1 3-2|=0t h e nxi s 1 b. 2 c.-3 d. -1

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  2. Write the following sets in the tabular from : (i) A={x:x is a posit...

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  3. Let a1,a2,a3…… ,an be in G.P such that 3a1+7a2 +3a3-4a5=0 Then common...

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  4. Find the ratio of greatest value of 2-cos x+ sin^(2)x to its least val...

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  5. Write the following sets in the tabular from : (i) A={x:x is a posit...

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  6. Sum of the series 1/(4. 1^2-1)+1/(4. 2^2-1)+1/(4. 3^2-1)+ upto inf...

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  7. The value of k for which product of two of the roots of the equation ...

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  8. Write the following sets in the tabular from : (i) A={x:x is a posit...

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  9. The marks of some students were listed out  of a maximum 75. The SD of...

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  10. The sum of the first 100 terms common to the series 17, 21, 25, 29...

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  11. Describe the following set in set builder form: E={0}

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  12. The length of latusrectum of the parabola whose parametric equations ...

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  13. Find the value of 'k' for which the following set of quadratic equatio...

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  14. Write the following sets in the set builder form: P={2}

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  15. A relation R is defined as H1RH2 such that length of latus rectum of t...

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  16. The solution set of the inequation 3^(72)(1/3)^x(1/3)^(sqrt(x))>1 is [...

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  17. Write the following sets in the set builder form: Q={1,4,9, 16}

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  18. A fair coin is tossed 5 times and getting a head is considered as a...

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  19. Draw the labelled graph of the following: y=|x-1|-|3x-2|

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  20. about to only mathematics

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