1.A wheel that has 6 cogs is meshed with a larger wheel of 14 cogs. When the smaller wheel has made 21 revolutions, then the number of revolutions mad by the larger wheel is: (B)
A) 4
B) 9
C) 12
D) 49
2.If a quarter kg of potato costs 60 paise, how many paise will 200gm cost ? (D)
A) 45 paise
B)46 paise
C)47 paise
D)48 paise
3.39 persons can repair a road in 12 days, working 5 hours a day. In how many days will 30 persons, working 6 hours a day, complete the work? (B)
A. 10
B. 13
C. 14
D. 15
4. In a dairy farm, 40 cows eat 40 bags of husk in 40 days. In how many days one cow will eat one bag of husk? (C)
A) 1
B) 1/40
C) 40
D) 80
5. 4 mat-weavers can weave 4 mats in 4 days. At the same rate, how many mats would be woven by 8 mat weavers in 8 days ? (C)
A) 12
B)14
C)16
D)18