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IBPS Clerk Prelims Model Paper 18

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Question : 95 of 100

Marks: +1, -0

If ax γ by, bx α cz and

b^{2}

α ac, then

ax β cy
ay α cz
y γ z
y β z
None of these

Solution:

According to the given information

ax g by  ax < by ...(i)

by g cz  bx = cz ...(ii)

and b2 a ac  b2 = ac ...(iii)

From (ii), we get

x =

rac{cz}{b}

... (iv)

Putting x =

rac{cz}{b}

in (i), we get

rac{acz}{b}

< by

⇒ acz <

b^{2}y

⇒ acz < acy

[∴

b^{2}

= ac from (iii)]

⇒ z < y

⇒ y > z

⇒ y b z.

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