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**Quantitative Aptitude for SSC CHSL 2018: 24 March**

**Directions (Q. 1-5):**

*In the following charts, the first pie-chart shows the percentage distribution of total students studying in different schools and the second pie-chart shows the percentage distribution of total girl students studying in these schools. (Total number of students in all the schools together is 30000 and the ratio of boys to girls is 3:2.)*

1. What is the difference between the total number of boys and the total number of girls studying in School D?

1) 2020 2) 2040 3) 2066 4) 2680 5) 3720

2. The number of girls studying in School C is what percentage of the number of boys studying in School E?

1) 60% 2) 70% 3) 75% 4) 80% 5) 90%

3. What is the average of the number of boys studying in school A, B and C?

1) 2150 2) 2200 3) 2350 4) 2400 5) 2450

4. The number of girls in School F is what percentage more than the number of girls in School A?

1) 25% 2) 30% 3) 40% 4) 50% 5) 60%

5. Total number of boys in School F is approximately what percentage more than the total number of boys in School D?

1) 21.4% 2) 25.8% 3) 27.5% 4) 32% 5) 34.6%

6. A person lent a certain sum of money at 8% simple interest and in eight years, the interest amounted to `635.40 less than the amount lent. What is the amount the person lent?

1) `1725 2) `1735 3) `1745 4) `1755 5) `1765

7. The ages of three persons A, B and C are in the ratio of 4:7:14 and the ages of B, C and D are in the ratio of 2: 4:5. What is the ratio of the ages of A, B, C and D?

1) 4:7:8:14 2) 8:14:16:35 3) 4:7:14:10 4) 8:14:28:35 5) None

8. Population of a country increases consistently by 12% every year. If the present population of the city is 40 lakh then what will be the population of the city after three years?

1) 5619712 2) 5628460 3) 5636400 4) 5698960 5) None of these

9. If the length of a rectangle is increased by 16 metre and the breadth is decreased by 5 metre, the area of the rectangle remains unchanged, and if the length is decreased by eight metre and the breadth is increased by 5 metre, the area still remains unchanged. What is the area of the rectangle?

1) 432 sq m 2) 800 sq m 3) 480 sq m 4) 540 sq m 5) 720 sq m

10. Letters of the word “Series” are arranged in such a way that all the vowels always come together. What is the total number of ways of making such an arrangement?

1) 720 2) 180 3) 144 4) 72 5) 36

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