Quantitative Aptitude Simplification Questions 1

1. A class starts at 10 a.m. and lasts till 1.27 p.m. Four periods are held during this interval. After every period, 5 minutes are given free to the students. The exact duration of each period is :

2. In a school, 1 / 6th of the girls and 1 / 7th of the boys took part in N.C.C. camp. What fraction of the total number of students in the college took part in the camp ?

3. When simplified, the product (2 - 1 / 3) (2 - 3 / 5) (2 - 5 / 7)••••(2 - 999 / 1001) is :

4. In an office, 3 / 4 of the staff can neither type nor take shorthand. However, 1 / 5th can type and 1 / 3rd can take shorthand. What part of the whole staff can do both ?

5. A person gave Rs. 2500 to his eldest son, 5 / 12 of the whole property to the second son and to the youngest as much as to the first and second son together. How much did the youngest son get ?

6. The expression (1 - 1 / 3) (1 - 1 / 4) (1 - 1 / 5)••••(1 - 1 / m) when simplified yields :

7. A light was seen at intervals of 13 seconds. It was seen for the first time at 1 hr 54 min 50 secs. a. m. and the last time at 3 hrs 17 min 49 secs. a.m. How many times was light seen ?

8. In a garden, there are 10 rows and 12 columns of mango trees. The distance between two trees is 2 metres and a distance of one metre is left from all sides of the boundary of the boundary of the garden. The length of the garden is :

9. One third of the boys and one half of the girls of a college participate in a social work project. If the number of participating students is 300 out of which 100 are boys, what is the total number of students in the college?

10. 1 / 4 of Nikhil’s money is equal to 1 / 6 of Yogesh’s money. If both together have Rs. 600, the difference between their amounts is :