1.A mixture of 150L of wine and water contains 20% water. How many litres of water must be added so that water may be 25% of the mixture? (3)
(a) 12L
(b) 8L
(c) 10L
(d) 6L
(e) 20L
2.A house was sold for Rs 12600 at the profit of 50%. Had it been sold for Rs 13000, what would have been the profit percent? (5)
(a) 60%
(b) 59%
(c) 58%
(d) 65%
(e) None of these
3.In a factory 600 men and 400 women were working whose average wages per day were Rs 2.55. If a woman receives 50paise less than a man, then find their daily wages. (1)
(a) Man Rs 2.75, Woman Rs 2.25
(b) Man Rs 3.25, Woman Rs 2.75
(c) Man Rs 3, Woman Rs 2.50
(d) Man Rs 2.50, Woman Rs 2
(e) None of the above
4.A train, when it moves at an average speed of 40km/h, reaches its destination on time. When its average speed becomes 35km/h, it reaches its destination 15minutes late. Find the length of the journey? (2)
(a) 40km
(b) 70km
(c) 30km
(d) 80km
(e) None of these
5.The average weight of three men A, B and C is 84kg. another man D joins the group and average now becomes 80kg. If another man E, whose weight is 3kg more than D’s replaces A, then the average weight of B, C, D and E becomes 79kg. The weight of A is: (1)
(a) 75kg
(b) 80kg
(c) 70kg
(d) 85kg
(e) None of these
