JEE MATHEMATICS MCQ: SEQUENCE OF SERIES

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Application +4 | -1

If four numbers in A.P, are such that their sum is 28 and the ratio of the product of first and third with the product of second and fourth is

8: 15

, then the numbers are

View answer and explanation

Correct option: B

4,6,8,10

Option B (

4,6,8,10

) is the correct answer because it satisfies both the sum and the ratio conditions given in the problem for an arithmetic progression.

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A=\{1,2,3\}, B=\{3,4\}, C=\{4,5,6\}

{A} \cup({B} \cap {C})

A-(B \cap C)

(B \cup C)-A

a,b,c

a,x,b

b,y,c

{x^2},{b^2},{y^2}

P(x)=1-x+x^2-x^3+\ldots+x^{2012}

y

Q(y)=a_0+a_1 y+\ldots+a_{2012} y^{2012}

y=x-2

\sum\limits_{{i=0}}^{2012} a_i

\log \left(\frac{5 c}{a}\right), \log \left(\frac{3 b}{5 c}\right)

\log \left(\frac{a}{3 b}\right)

A P

a, b

G P

a, b, c

\frac{3}{4}