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Sunil Ahlawat

· started a discussion

· 1 Months ago

Ans is B (Question: 99292.0 )

We can solve the q by using statement 2 only

Question:
DIRECTIONS: Answer the question on the basis of the information given below:

Question consists of a question and two statements, I and II. Choose


(a) if the question can be answered with the help of statement I only.

(b) if the question can be answered with the help of statement II only.

(c) if the question can be answered with the help of either of the statements alone.

(d) if the question can be answered only with the help of both statements together.

(e) if the question cannot be answered even with the help of both the statements.

What is the numerical value of  \(\cfrac{a-2c}{b-2d}\)

I. a = 2 × c

II. a/c = b/d = \(\cfrac{1}{2}\)

Options:
A) (a)
B) (b)
C) (c)
D) (d)
E) (e)
Solution:

From statement I, a=2c

So Required numerical value=\(\cfrac{a-2c}{b-2d}=\cfrac{2c-2c}{b-2d}=\cfrac{0}{b-2d}=0\)

From statement II,

a/c=b/d=1/2

or, c/d=a/b=1/2

so, Required numerical Value = \(\cfrac{a-2c}{b-2d}=\cfrac{\cfrac{a-2c}{2}}{\cfrac{b-2d}{2}}=\cfrac{c}{d}=\cfrac{1}{2}\)


kanhaiya jha

· commented

· 1 Months ago

From statement I, a=2c
So Required numerical value=(a−2c)/(b−2d)=(2c−2c)/(b−2d)=(0)/(b−2d)=0
From statement II,
a/c=b/d=1/2
or, c/d=a/b=1/2
so, Required numerical Value = (a−2c)/(b−2d)={(a−2c)/2}/{(b−2d)/2}=c/d=12

Hence, Both the statement alone sufficient to answer the question.
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