(1) The sum of three numbers is 98. The ratio of the first to the second is 2/3, and the ratio of the second to the third is 5/8. The second number is:

(a) 15
(b) 20
(c) 30 (d) 32

(2) In a shower, 5 cm of rain falls. The volume of water that falls on 1.5 hectares of ground is:

(a) 75 cu. m
(b) 750 cu. m
(c) 7500 cu. m
(d) 75000 cu. m

(3) How many bricks, each measuring 25 cm × 11.25 cm × 6 cm, will be needed to build a wall of 8 m × 6 m × 22.5 cm?

(a) 5600
(b) 6000
(c) 6400
(d) 7200

(4) The ratio between the length and the breadth of a rectangular park is 3 : 2. If a man cycling along the boundary of the park at the speed of 12 km/hr completes one round in 8 minutes, then the area of the park (in sq. m) is:

(a) 15360
(b) 153600
(c) 30720
(d) 307200

(5) A rectangular park 60 m long and 40 m wide has two concrete crossroads running in the middle of the park and rest of the park has been used as a lawn. If the area of the lawn is 2109 sq. m, then what is the width of the road?