SSC Apt Exam 04042

1. Sankar bought a watch after getting two successive disocunt of 30% and 10% respectively. and in this way he got a discount of Rs. 444. At what cost must he sell the watch to earn a profit of 40%.

2. A bookseller sells his books at 10% profit. If he buys it at 4% less and sells it for 60 paise more. he will earn 18 3/4 % profit. At what rate the book seller bought the book ?

3. A trader allows 4% discount on the marked price and gives 1 article free on the purchase of 15 articles and stil earns 35% profit. how much percentage above the cost price is the marked price ? (a) 20% (b) 10% (c) 50% (d) 30%

4. In an election two candidates participate and 10% of the voters did not vote and out of total votes polled, 2000 votes declared invalid. The winner gets 52% of the total votes on voting list and wins by 13200 votes. Find the no. of votes polled in favour of losing candidate?

5. It is necessary to obtain 40% marks to pass an exam. A obtains 10% less marks than pass marks. B obtains 11 1/9 % less marks than A, and C obtains 41 3/17 % less marks than A & B. Then find C qualified the exam or not ?

6. The ratio of the boys and girls sitting in an examination is 16 : 9. The ratio of boys and girls that passed the exam is 4 : 3. If 75% girls passed in the exam then find the % age of boys who pass the exam and also find the total percentage of students that passed in the exam?

7.In three alloys A, B and C the percentage of copper is 80%, 75% and 70% respectively and the percentage of tin is 15%, 15% and 25% respectively and the remaining is nickel. If 10 kg, 15 kg and 50 kg of the three alloys be mixed together, find the ratio of copper, tin and nickel in the mixture thus obtained.

8 .In a vessel the ratio of milk and water is 4 : 5 18 litre mixture was taken out and replaced with 16 litre water. In this way the ratio of milk and water becomes 4 : 7. Find the initial quantity of mixture.

9 .In first type of 10 litre wine alcohol is 26% while in second type of 15 litre wine, alcohol is 45% If both types of wines are mixed together what will be the percentage of alcohol in the mixture?

10 . A and B can complete a work in 6 days. A and C can do the same work 2 1/2 days earlier than B + C. They together can finish the whole work in 5 days. Then in how many days will they individually complete the work?

11. B and C are twice efficient than A. A and C are 19/8 times efficient than B. The ratio of efficiency of B and C is 4 : 5. If together they complete the work in 13 1/3 days then Find in how many days will B complete the work?

12. 7 Indian and 4 Chinese finished a job in 5 days. 7 Japanese and 3 Chinese finish the same job in 7 days. Given that the efficiency of each person of a particular nationality is same but different from others. One Indian, one Chinese and one Japanese will complete the work in :

13. Ram arrives at a Bank 15 minutes earlier than scheduled time if he drives his car at 42 km/h. If he drives car at 35 km/h he arrives 5 minutes late. The distance of the Bank, from his starting point is :

14. A boy is late by 9 minutes if he walks to shcool at a speed of 4 km/hour. If he walks at the rate of 5 km/hour, he arrives 9 minutes early. The distance to his school is :

15. Bhuvnesh goes to his office by scooter at a speed of 30 km/h and reaches 6 minutes earlier. If he goes at a speed of 24 km/ h, he reaches 5 minutes late. The distance of his office is:

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22.The altitude drawn to the base of an isosceles triangle is 8 cm and its perimeter is 64 cm. The area (in cm2 ) of the triangle is

23.The radii of two circles are 10 cm and 24 cm. The radius of a circle whose area is the sum of the area of these two circles is

24 .The base of a cone and a cylinder have the same radius 6 cm. They have also the same height 8 cm. The ratio of the curved surface area of the cylinder to that of the cone is

25 .The radius of a metallic cylinder is 3 cm and its height is 5 cm. It is melted and moulded into small cones, each of height 1 cm and base radius 1 mm. The number of such cones formed is