Question

18. Length and breadth of a rectangular field are in the ratio 5: 4. If the width of the field is
36 m, what is its length?
(a) 40 m
(b) 45 m
(c) 54 m
(d) 50 m
19. If a bus covers 195 km in 3 hours and a train covers 300 km in 4 hours, then the ratio of
their speeds is
(a) 13:15
(b) 15 : 13
(c) 13:12
(d) 12:13
20. If the cost of 5 bars of soap is 82.50, then the cost of one dozen such bars is
(a) 208
(b) * 192
(c) 198
(d) 204
21. If the cost of 30 packets of 8 pencils each is 600, what is the cost of 25 packets of 12
pencils each?
(a) * 725
(b) * 750
(c) 480
(d) 720
22. A rail journey of 75 km costs 215. How much will a journey of 120 km cost?
(a) * 344
(b) 324
(c) 268.75
(d) none of these
23. The 1st, 2nd and 4th terms of a proportion are 12, 21 and 14 respectively. Its third term is
(a) 16
(b) 18
(c) 21
(d) 8
24. 10 boys can dig a pitch in 12 hours. How long will 8 boys take to do it?
(a) 9 h 36 min (b) 15 h
(c) 6 h 40 min (d) 13 h 20 min​

Answer 1

Answer:

Step-by-step explanation:

18. a) 45m

19)  13 : 15

20) 198 rupees

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