There are six students A, B, C, D, E, F. Each student opts two courses, 1 core and the other elective. (i) D’s elective is Maths and three other students have Maths as core. (ii) E and F have Chemistry as one of their subjects. (iii) F’s core course is Physics, which is elective for both C and E. (iv) Maths is core and English is elective for A. (v) Biology is an elective of only one of them. (vi) The only female student is the one who has Maths as elective and English as core.

Who is the female student?

There are six students A, B, C, D, E, F. Each student opts two courses, 1 core and the other elective. (i) D’s elective is Maths and three other students have Maths as core. (ii) E and F have Chemistry as one of their subjects. (iii) F’s core course is Physics, which is elective for both C and E. (iv) Maths is core and English is elective for A. (v) Biology is an elective of only one of them. (vi) The only female student is the one who has Maths as elective and English as core.

What is the core course of C?

There are six students A, B, C, D, E, F. Each student opts two courses, 1 core and the other elective. (i) D’s elective is Maths and three other students have Maths as core. (ii) E and F have Chemistry as one of their subjects. (iii) F’s core course is Physics, which is elective for both C and E. (iv) Maths is core and English is elective for A. (v) Biology is an elective of only one of them. (vi) The only female student is the one who has Maths as elective and English as core.

Which of the following has same courses set as that of F?

There are six students A, B, C, D, E, F. Each student opts two courses, 1 core and the other elective. (i) D’s elective is Maths and three other students have Maths as core. (ii) E and F have Chemistry as one of their subjects. (iii) F’s core course is Physics, which is elective for both C and E. (iv) Maths is core and English is elective for A. (v) Biology is an elective of only one of them. (vi) The only female student is the one who has Maths as elective and English as core.

Who among the following have Maths as the core course?

There are six students A, B, C, D, E, F. Each student opts two courses, 1 core and the other elective. (i) D’s elective is Maths and three other students have Maths as core. (ii) E and F have Chemistry as one of their subjects. (iii) F’s core course is Physics, which is elective for both C and E. (iv) Maths is core and English is elective for A. (v) Biology is an elective of only one of them. (vi) The only female student is the one who has Maths as elective and English as core.

Who has taken the course of Biology?

A company has four offices numbered 1, 2, 3 and 4. Each office has exactly one computer and one printer. Each of these eight machines was bought in either 2019, 2020 or 2021. (i) In all offices, computers are bought earlier than printers or in the same year. (ii) Computer in office 2 and printer in office 1 are bought in the same year. (iii) Computer in office 3 and printer in office 4 are bought in the same year. (iv) Computer in office 2 and computer in office 3 are not purchased in the same year. (v) Computer in office 1 and printer in office 3 are purchased in the same year 2020.

If the computer in office 3 is bought earlier than the printer in the same office, then

A company has four offices numbered 1, 2, 3 and 4. Each office has exactly one computer and one printer. Each of these eight machines was bought in either 2019, 2020 or 2021. (i) In all offices, computers are bought earlier than printers or in the same year. (ii) Computer in office 2 and printer in office 1 are bought in the same year. (iii) Computer in office 3 and printer in office 4 are bought in the same year. (iv) Computer in office 2 and computer in office 3 are not purchased in the same year. (v) Computer in office 1 and printer in office 3 are purchased in the same year 2020.

If the computer in office 3 is bought earlier than the printer in the same office and printer in office 1 is bought during 2021, then printer in office 2 is bought during

A company has four offices numbered 1, 2, 3 and 4. Each office has exactly one computer and one printer. Each of these eight machines was bought in either 2019, 2020 or 2021. (i) In all offices, computers are bought earlier than printers or in the same year. (ii) Computer in office 2 and printer in office 1 are bought in the same year. (iii) Computer in office 3 and printer in office 4 are bought in the same year. (iv) Computer in office 2 and computer in office 3 are not purchased in the same year. (v) Computer in office 1 and printer in office 3 are purchased in the same year 2020.

If the computer and printer in office 3 are bought in the same year, then

A company has four offices numbered 1, 2, 3 and 4. Each office has exactly one computer and one printer. Each of these eight machines was bought in either 2019, 2020 or 2021. (i) In all offices, computers are bought earlier than printers or in the same year. (ii) Computer in office 2 and printer in office 1 are bought in the same year. (iii) Computer in office 3 and printer in office 4 are bought in the same year. (iv) Computer in office 2 and computer in office 3 are not purchased in the same year. (v) Computer in office 1 and printer in office 3 are purchased in the same year 2020.

If the computer and printer in office 3 are bought in the same year, then the computer in office 4 is bought during