Direction(1-5): Study the information given below and answer the questions based on it.
Five friends- Pramoth, Dhamu, Chandru, Dhanu, Logu, study in same class. Each one gave exams for five subjects - Maths, Physics, Biology, Chemistry and English. Each of the student failed in one of the subjects, and, no two of them failed in the same subject. Also, each student got highest marks in different subjects. Dhamu failed in Maths, in which Logu scored highest. Neither Logu nor Pramoth, failed in English. Neither Dhamu nor Dhanu, scored highest in English. One who scored highest in Physics, failed in Biology and, is not Pramoth. One who scored highest in chemistry doesn't fail in English and, vice versa. Dhanu didn't score highest in Biology.
1. Who among the following failed in Biology?
A. Dhanu
B. Pramoth
C. Shanty
D. Chandru
E. Logu
2. Who among the following got highest score in English?
A. Dhanu
B. Pramoth
C. Dhamu
D. Chandru
E. Cannot be determined
3. One who got highest score in Chemistry got failed in
A. Physics
B. Can't be determined
C. Biology
D. Either option (A) or (C)
E. Maths
4. Which of the following combination of student and subject failed is correct?
A. Dhanu – English
B. Pramoth – Physics
C. Chandru – Chemistry
D. None is correct
E. Logu – biology
5. If the highest scores are as follow in given subjects (out of 100 in each)in the order ‘Maths < Physics < Biology < Chemistry < English’, then what is the correct order of the students in increasing order of highest scores in respective subjects?
A. Pramoth < Dhanu < Dhamu < Logu < Chandru
B. None of these
C. Chandru < Pramoth < Dhamu < Dhanu < Logu
D. Chandru < Dhanu < Dhamu < Logu < Pramoth
E. Pramoth < Chandru < Dhanu < Dhamu < Logu
Answers and Explanations
1. Answer - Option A
2. Answer - Option B
3. Answer - Option E
4. Answer - Option B
5. Answer - Option B
Explanation [1-5]-
Dhamu failed in maths, in which Logu scored highest
We get,
Now
Neither Logu nor Pramoth, failed in English.
Neither Dhamu nor Dhanu, Scored highest in English.
We get, One who scored highest in Physics, failed in Biology and, is not Pramoth. Thus, case-I will becomes invalid. We get, One who scored highest in chemistry doesn't fail in English and, vice versa. thus, One who scored highest in English doesn't fail in Chemistry.
We get,
Dhanu didn't score highest in Biology.
Thus, case I is eliminated and, final arrangement is