1, 2, 6, 15, 31, 56, 91 (a) 31          (b) 91           (c) 56          (d) 15

1, 5, 14, 30, 50, 55, 91 (a) 5 (b) 50 (c) 55 (d) 91

56, 91, 175, 417, 777

Ex 9.1 Q 14 , 15 and 16

2 3/5-:5/7=\ (a) (13)/7 (b) (13)/(25) (c) (91)/(25) (d) (25)/(91)

The number of revolutions made by a wheel of diameter 56 cm in covering a distance of 1.1 km is: (a) 31.25 (b) 56.25 (c) 62.5 (d) 625

Solve 11,100,15,91 ,19,83,23..... (A) 75 (B) 66 (C) 67 (D) 76

10 x 15 is equal to (a) 56 (b) 65 (c) 30 (d) 25

31.08 as a mixed fraction is: (a) 31 1/(25) (b) 31 2/(25) (c) 31 3/5 (d) None of these

31.08 as a mixed fraction is: 31 1/(25) (b) 31 2/(25) (c) 31 3/5 (d) None of these

If * means adding 6 times the second number to the first number, then (1* 2 ) * 3 equals 21 (b) 31 (c) 91 (d) 93