Home
Class 10
MATHS
2, -6, 18, -54, ………….r = …………....

2, -6, 18, -54, ………….r = ………….

A

-3

B

3

C

1

D

-2

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • PROGRESSIONS

    VGS PUBLICATION-BRILLIANT|Exercise Creative Bits for CCE Model Examination|129 Videos
  • PROBABILITY (MULTIPLE CHOICE QUESTION)

    VGS PUBLICATION-BRILLIANT|Exercise PROBABILITY (MULTIPLE CHOICE QUESTION)|20 Videos
  • PROGRESSIONS (MULTIPLE CHOICE QUESTION)

    VGS PUBLICATION-BRILLIANT|Exercise PROGRESSIONS (MULTIPLE CHOICE QUESTION)|20 Videos

Similar Questions

Explore conceptually related problems

Which term of the G.P. 2, 6,18,54,……………… is 2 xx 3^(10) ?

For each geometric progressions find the common ratio 'r'. And then find a_(n) . (i) 3,3/2, 3/4, 3/8 ,…… (ii) 2,-6, 18, -54 (iii) -1,-3,-9, -27 ,….. (iv) 5,2, 4/5, 8/25 ,…..

For each geometric progression find the common ratio 'r', and then find a_(n) . (ii) 2, -6, 18, -54

If the geometric progressions 162, 54, 18, …….. And 2/81, 2/27,2/9,…. have their n^(th) term equal, find the value of n.

In Delta ABC , if r_1= 12 , r_2 = 18 , r_3 = 36 then the length of the altitude through A is

The standard deviation of 5, 12, 3, 18, 6, 8, 2, 10 is

If {:[( x,2),(18,x) ]:}= {:[( 6,2),( 18,6)]:} , then x is equal to

The elements with atomic number 10, 18, 36, 54 and 86 are all

If r_1 = 36 , r_2 = 18 and r_3 = 12 then prove that a= 30 , b= 24 , c = 18 and R = 15.