Q.1 Problem figures: Answer figures: Ans. C Q.2 Problem figures: Answer Ans. B Q.3 Consider the following diagrams: x men, working at constant speed, do a certain job in y days. Which one of these diagrams shows the relation between x and y? A) diagram I B) diagram II C) diagram III D) diagram IV Ans. A Since the product of X & Y will be constant. Therefore, Ist shows the relationship between X & Y. Q.4 Consider the following matrix: 3 370 7 2 224 6 1 730 X What is the number at 'X' in the above matrix? A) 5 B) 8 C) 9 D) 11 Ans. C Since, 33 + 73 = 27 + 343 =370 & 23 + 63 =8+ 216 =224 Therefore, 13+x3=730 X3=730-1 =729 X=(729)1/3 X=9 Q.Read the following table : Four cars are hired at the rate of Rs. 6 per km plus the cost of diesel at Rs. 40 a litre. In this context, consider the details given in the following table: Car Mileage (km/l) Hours Total Payment (Rs.) A 8 20 2120 B 10 25 1950 C 9 24 2064 D 11 22 1812 Q.5 Which car maintained the maximum average speed? A) Car A B) Car B C) Car C D) Car D Ans. A