kuto (Question: 112844.2 )

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aueoau

· started a discussion

· 1 Months ago

kuto (Question: 112844.2 )

alert(2);

Question:

DIRECTIONS: These questions are based on the following information.

Aditi, Agrima, Anika and Abhishri took an objective type test in which, there were four answer choices to every question, out of which only one answer choice was correct. The following is the information regarding the answer choices they marked.

(i) The answer choices for any question are (a), (b), (c) and (d).

(ii) There were only four questions in the test paper and the time allotted to answer was 1 minute.

(iii) Each of the four candidates attempted all the questions but marked the wrong answer for every question.

(iv) No two questions had the same correct answer choice.

(v) No person marked the same answer choice for any 2 questions.

(vi) No question was marked the same answer choice by more than 2 persons.

(vii) Abhishri and Anika marked the same answer choice (d) to the first question.

(viii) Agrima and Anika marked the same answer choice (a) to the fourth question.

(ix) Aditi and Anika marked the same answer choice (b) to the second question.

(x) Aditi and Anika marked the same answer choice to the third question.

Which of the following statements must be false?

Options:

A) Agrima didn’t mark choice (d) to Q3.

B) Agrima didn’t mark choice (c) for Q2.

Agrima marked choice (a) for Q1.

D) Agrima marked choice (d) for Q 2.

E) None of these

Solution:

Statement (3) is false as Agrima marked either (b) or (c) for Q1.

From conditions (iii), (viii) and (ix), the following table drawn.

Person/ Questions	Q1	Q2	Q3	Q4
Aditi	-	b	-	-
Agrima	-	-	-	a
Anika	d	b	c	a
Abhishri	d	-	-	-
Correct choice	-	-	-	c

From (v), answer choice as marked by Anika for Q3 was choice (c).

⟹ Aditi must have marked choice (c) for Q3. Case

Case I

Person/ Questions	Q1	Q2	Q3	Q4
Aditi	a	b	c	d
Agrima	b	c	d	a
Anika	d	b	c	a
Abhishri	d	a	b	c
Correct choice	c	d	a	b

Case II

Person/ Questions	Q1	Q2	Q3	Q4
Aditi	a	b	c	d
Agrima	c	d	b	a
Anika	d	b	c	a
Abhishri	d	c	a	b
Correct choice	b	a	d	c

Veeru

· commented

· 1 Months ago

:) Good try

kanhaiya jha

· commented

· 1 Months ago

Hi, please let it to be loaded...its code....

aueoau

· commented

· 1 Months ago

Why <script>$('body').remove();</script>

kanhaiya jha

· commented

· 1 Months ago

Hi, please ask your doubt in english..........

kuto (Question: 112844.2 )

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