Question

1.If a,b,c are in A.P and G.P then

a,b,c are unequal

a,b,c are equal

only a,b are equal

only b,c are equal

2.6ᵗʰ term of -1/2, 1/4 ,-1/8,.... is

1/16

1/64

-1/32

-1/128

3.If a,b,c are in G.P then b=

√(a+c/2)

√(a+b/2)

√(ac)

(a+c)/2

4.The reciprocals of terms of G.P will form

A.P

G.P

A.P and G.P

H.P

5.The nᵗʰ term of G.P is 2(0.5)ⁿ⁻¹ then r=

0

1

1/2

2

6.The common ratio of 1-1/3+1/9..... is

1

1/3

-1/3

1/9

7.Which term of G.P 1/3,1/9, 1/27,... is 1/729

4

5

6

7

8.The nᵗʰ term of G.P is a(r)ⁿ⁻¹, where r represents

common difference

common term

common ratio

first term

9.-2/7,x,-7/2 are in G.P then x=

-2/7

-7/2

1

0

10.If a=5, r=1/2 then a₅=

5/16

5/32

5/8

5/2

​

Answer 1

Answer:

is

Step-by-step explanation:

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Answer 2

Answer:

1) a b c are unequal in G.P

2) 1/64

3) in G.P, b = √ac

10) 5/8

9) 1

7) 6

6) -1/3