16. The students of a class are arranged in rows and columns such that the distance between any two consecutive rows is equal to the distance between any two consecutive columns, each being one meter. if John sits in the second row and fourth column and Mary sits in the eighth column and fifth row then the distance between them is

    (A) 2 meters
    (B) 3 meters
    (C) 8 meters
    (D) 4 meters
    (E) 5 meters
    

17. x is 40% of y and y is 250% of z . If z is p percent of x, the p is

    (A) 60
    (B) 1
    (C) 50
    (D) 100
    (E) None of the above
    

18. A and B both run a kilometer race and A beats B by 10 seconds. If B’s speed is 40 kms. per hour, then A’s speed is more than B’s speed by what percent?

    (A) 90
    (B) 80
    (C) 45
    (D) 12.5
    (E) None of the above

    
    

Part 1 To the student