1. A train normally covers a certain distance at a speed of 60 km/hr. However, if it were to halt for a fixed time interval in each hour its average speed reduced to 50 km/hr. What is the time interval for which the train halt in each hour?
(a) 10 minutes
(b) 20 minutes
(c) 6 minutes
(d) 12 minutes
2. The average age of all the 100 employees in an office is 29 years, where 2/5 employees are ladies and the ratio of average age of men to women is 5 : 7. The average age of female employees is:
(a) 18 years
(b) 35 years
(c) 25 years
(d) 30 years
(e) none of these
3. In the 75 liters of mixture of milk and water, the ratio of milk and water is 4 : 1. The quantity of water required of make the ratio of milk and water 3 : 1 is:
(a) 1 litre
(b) 3 litres
(c) 4 litres
(d) 5 litres
(e) none of these
4. Rs. 69 were divided among 115 students so that each girl gets 50 paise less than a boy. Thus each boy received twice the paise as each girl received. The no. of girls in the class is:
(a) 92
(b) 42
(c) 33
(d) 23
(e) 48
5. A and B are partners in a business. They invest in the ratio 5 : 6, at the end of 8 months A withdraws. If they receive profits in the ratio of 5 : 9, find how long B’s investment was used?
(a) 12 months
(b) 10 months
(c) 15 months
(d) 14 months
(e) 18 months
6. Four milkman rented a pasture. A put to graze 16 cows for 3 months, B, 20 cows for 4 months, C, 18 cows for 6 months and D, 42 cows for 2 months. If A’s share of rent be Rs. 2400, the rent paid by C is:
(a) Rs. 3200
(b) Rs. 4200
(c) Rs. 4000
(d) Rs. 5400
(e) none of these
7. Every day a mango seller sells half his stock, 10% of the stock overnight gets spoiled. If 1983 mangoes rotted over 3 nights then how many did he start with on the first day?
(a) 25, 000
(b) 24, 000
(c) 30, 000
(d) 32, 000
(e) 28, 000
8. In a factory there are three types of Machines M1, M2 and M3 which produces 25%, 35% and 40% of the total products respectively. M1, M2 and M3 produces 2% 4% and 5% defective products, respectively. What is the percentage of non-defective products?
(a) 89%
(b) 97.1%
(c) 96.1%
(d) 86.1%
(e) none of these
9. Even after a discount of q% on marked price a trader gains by p%. What is the markup percentage over the cost price?
(a) [(p + q)/(q-p)] * 100
(b) [(p + q)/(100 – p)] * 100
(c) [(p + q)/(100 – q)] * 100
(d) not possible
(e) p*q/100
10. Pepsi and Coke, there are two companies, selling the packs of cold-drinks. For the same selling price Pepsi gives two successive discounts of 10% and 25%. While Coke sells it by giving two successive discounts of 15% and 20%. What is the ratio of their marked price?
(a) 143 : 144
(b) 19 : 11
(c) 136 : 135
(d) 73 : 77
(e) 21 : 28
Answers..
No comments:
Post a Comment