3286: In a group of five persons A, B, C, D and E, there is a professor, a doctor and lawyer. A and D are unmarried ladies, and do not work. Of the married couple in the Group, E is the husband. B is the brother of A and is neither a doctor nor a lawyer. Who is the professor ?
3287: Consider the following which can be found in the ambient atmosphere:
1. Soot
2. Sulphur hexafluoride
3. Water vapour
Which of the above contribute to the warming up of the atmosphere ?
(a) 1 and 2 only
(b) 2 and 3 only
(c) 3 only
(d) 1, 2 and 3
3288: Consider the following statements
1. India's import of crude and petroleum product during the year 2001-02 accounted for about 27% of India's total imports.
2. During the year, 2001-02, India's exports had increased by 10% as compared to the previous year
Which of these statements is/are correct?
(a) Only 1
(b) Only 2
(c) Both 1 and 2
(d) Neither 1 nor 2
3289: Which of the following statements about Hiuen-Tsang is not true?
(a) He visited India during the reign of Harshavardhana
(b) He spent some time at Nalanda University
(c) He advocated for strong Indo-China relations
(d) He influenced Buddhism
3290: When iron rusts, the weight:
(a) Increases
(b) Decreases
(c) Remains the same
(d) First increases then decreases