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WorksheetsMATH CHALLENGE (Round three)
Total questions: 5
Worksheet time: 10mins
1400 men in a fortress have provisions for 28 days. After 3 days, 400 men leave the fortress. How long will the food last now?
35 days
32 days
30 days
40 days
A solid cylinder of lead 8m high and 2m radius is melted and recast into a cone of radius 1.5m, what is the height of the cone?
16.67 m
21.35 m
42.67 m
31.35 m
Three men, four women, and six children can complete a work in seven days. A woman does double the work a man does and a child does half the work a man does. How many women alone can finish the work in 7 days?
7
8
12
9
A maths teacher tabulated the marks secured by 35 students of 8th class. The average of their marks was 72. If the marks obtained by Ashima were written as 36 instead of 86 then compute the correct average marks upto two decimals.
73.41
74.31
72.43
73.43
A person has to cover a distance of 6 km in 45 minutes. If he covers half of the distance in the remaining time, to cover the remaining distance in the remaining time, his speed must be
6 km/h
8 km/h
12 km/h
15 km/h
