1. The length and breadth of a rectangular hall are 40 m and 30 m respectively. What is the distance between two opposite corners of the hall?
(a) 20 m
(b) 35 m
(c) 50 m
(d) 40 m

2. The sides of a triangle are in the ratio 1/2:1/3:1/4 and its perimeter is 104 cm. The length of the longest side (in cm) is
(a) 26
(b) 32
(c) 48
(d) 52

3. A rectangular field has dimensions 25 m by 15 m. Two mutually perpendicular passage, 2 m width have been left in its central part and grass has been grown in rest of the field. The areas (in sq metres) under the grass is
(a) 295
(b) 299
(c) 300
(d) 375

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