Q1. Consider the two statements given below followed by two conclusions:
Statements: 1. All men are biased. 2. Some teachers are men.
Conclusion I: Some teachers are biased.
Conclusion II: Some teachers are not biased.
Which of the above conclusions follows if the given statements are assumed to be true?
(a) Conclusion I
(b) Conclusion II
(c) Both Conclusion I and II
(d) Neither Conclusion I nor II
Q2. Which of the following is sometimes referred to as ‘forgotten greenhouse gas’?
(a) Water Vapour
(c) Nitrous Oxide
(d) Sulphur Hexafluoride
Q3. If ABA × BAB = BCDCB, where A, B, C and D are different digits, what are the values of C and D?
(a) C = 6, D = 7
(b) C = 7, D = 6
(c) C = 6, D = 5
(d) C = 5, D = 6
Q4. A man’s present age is equal to the sum of the present ages of his six children. After 10 years his age shall be half of the sum of ages of his children at that time. What is the present age of the man?
(a) 30 years
(b) 40 years
(c) 45 years
(d) Insufficient data
Q5. If the length of a rectangle is reduced by 10% and its breadth increased by 20% then its area
(a) increases by 8%
(b) increases by 12%
(c) decreases by 12%
(d) decreases by 8%