1 The fourth proportional to 0.12, 0.21, 8 is:   1 8.9 2 56 3 14 4 17   Answer: Option3

2 The ratio of the first and second class train fares between two stations is 3:1 and that of the numbers of passengers travelling between the two stations by first and second classes is 1:50. If on a particular day, Rs 1,325 are collected from passengers travelling between the two stations, then the amount collected from the second class passengers is   1 Rs 1,250 2 Rs 1,000 3 Rs 850 4 Rs 750   Answer: Option1

3 The students in three classes are in the ratio 2:3:5. If 40 students are increased in each class, the ratio changes to 4:5 :7. Originally, the total number of students was:   1 100 2 180 3 200 4 400   Answer: Option3

4 In 30 litres mixture of acid, the ratio of acid and water is 2 :3. What amount of water should be added to the mixture so that the ratio of acid and water becomes 2:5?   1 10 litres 2 15 litres 3 19 litres 4 12 litres   Answer: Option4

5 The incomes of A,B and C are in the ratio 3:7:4 and their expenses in the ratio 4:3:5. If A saves Rs 300 out of an income of Rs 2400, the savings of B and C are   1 Rs 4025 and Rs 575 2 Rs 1575 and Rs 2625 3 Rs 2750 and Rs 1525 4 Rs 3725 and Rs 1525   Answer: Option1

6 The ratio of number of boys to that girls in a group becomes 2:1 when 15 girls leave. But, afterwards, when 45 boys also leave, the ratio becomes 1:5. Originally the number of girls in the group was   1 20 2 30 3 40 4 50   Answer: Option3

7 Rs 180 contained in a box consists of one rupee, 50 paise and 25 paise coins in the ratio 2:3:4. What is the number of 50 paise coins?   1 60 2 120 3 150 4 180   Answer: Option2

8 The product of two positive integers is 1575 and their ratio is 9:7. The smaller integer is   1 25 2 35 3 45 4 70   Answer: Option2

9 Zinc and copper are in the ratio of 5:3 in 200 gm of an alloy. How much grams of copper be added to make the ratio as 3:5?   2 1/200 3 72 4 66 1 400/3   Answer: Option1

10 Between two consecutive years my incomes are in the ratio of 2:3 and expenses in the 5:9. If my income in the second year is Rs 45000 and my expenses in the first year is Rs 25000 my total savings for the two years is:   1 nil 2 15000 3 10000 4 5000   Answer: Option4