Chain Rule Worksheet-1
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If the cost of x metres of wire is d rupees, then what is the cost of y metres of wire at the same rate?
(a) Rs. 
(b) Rs. (xd) (c) Rs. (yd) (d) Rs. 
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If the price of 6 toys is Rs. 264.37, what will be the approximate price of 5 toys?
(a) Rs. 140 (b) Rs. 100 (c) Rs. 200 (d) Rs. 220
(e) Rs. 240
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If a quarter kg of potato costs 60 paise, how many paise will 200 gm cost?
(a) 48 paise (b) 54 paise (c) 56 paise (d) 72 paise
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If 11.25 m of a uniform iron rod weighs 42.75 kg, what will be the weight of 6 m of the same rod?
(a) 22.8 kg (b) 25.6 kg (c) 28 kg (d) 26.5 kg
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On a scale of map, 0.6 cm represents 6.6 km. If the distance between the points on the map is 80.5 cm, the actual distance between these points is:
(a) 9 km (b) 72.5 km (c) 190.75 km (d) 885.5 km
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An industrial loom weaves 0.128 metres of cloth every second. Approximately, how many seconds will it take for the loom to weave 25 metres of cloth?
(a) 178 (b) 195 (c) 204 (d) 488
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A flagstaff 17.5 m high casts a shadow of length 40.25 m. The height of the building, which casts a shadow of length 28.75 m under similar conditions will be:
(a) 10 m (b) 12.5 m (c) 17.5 m (d) 21.25 m
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A man completes
of a job in 10 days. At this rate, how many more days will it take him to finish the job?
(a) 5 (b) 6 (c) 7 (d) 
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36 men can complete a piece of work in 18 days. In how many days will 27 men complete the same work?
(a) 12 (b) 18 (c) 22 (d) 24
(e) None of these
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A fort had provision of food for 150 men for 45 days. After 10 days, 25 men left the fort. The number of days for which the remaining food will last, is:
(a) 
(b) 
(c) 42 (d) 54
Answer Key:
(1)-d; (2)-d; (3)-a; (4)-a; (5)-d; (6)-b; (7)-b; (8)-b; (9)-d; (10)-c
