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IBPS Clerk Prelims Model Paper 18

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Question : 96 of 100

Marks: +1, -0

If abxy α c2z, bx β ay and

a^2

γ bc, then

$ax^2$ β cz
$a^2x^2$ β cz
$b^2$ x β $c^2z$
$bx^2$ β $c^2z$
None of these

Solution:

According to the given information

abxy α

c^2z

⇒ abxy =

c^2z

...(i)

bx β ay ⇒ bx > ay ...(ii)

and

b^2

α ac ⇒

b^2

= ac ...(iii)

From (ii), we get

b^2x

> bay

⇒ acx > bay [∴

b^2

= ac from (iii)]

⇒ cx > by ...(iv)

From (i), we get

by =

\frac{c^2z}{ax}

Putting (v) in (iv), we get

cx =

\frac{c^2z}{ax}

⇒

ax^2

> cz

⇒

ax^2

β cz.

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