1. The average marks in Science subject of a class of 20 students is 68. If the marks of two students were misread as 48 and 65 instead of the actual marks 72 and 61 respectively, what would be the correct average? (2)
- (1) 68.5
- (2) 69
- (3) 69.5
- (4) 70
- (5) 72.5
2. The manufacturer of an article makes a profit of 5%, the wholesale dealer makes a profit of 10%, and the retailer makes a profit of 15%. Find the manufacturing price of the article if the retailer sold it for Rs. 5313. (1)
- (1) Rs. 4000
- (2) Rs. 4500
- (3) Rs. 5000
- (4) Rs. 4950
- (5) Rs. 4300
3. A number when subtracted by 1/7 th of itself gives the same value as the sum of all the angles of a triangle. What is the number? (2)
- (1) 240
- (2) 210
- (3) 175
- (4) 225
- (5) 375
4. Out of the total number of students in a college 12% are interested in sports only. 3/4 of the remaining number of students are interested in dancing only. 10% of the total number of students are interested in singing only and the remaining 15 students are not interested in any of the activities. What is the total number of students in the college? (3)
- (1)115
- (2)120
- (3)125
- (4)150
- (5)200
5. In how many ways the word ‘SCOOTER’ can be arranged such that ‘S’ and ‘R’ are always at two ends? (2)
- (1) 720
- (2) 120
- (3) 2520
- (4) 5040
- (5) None of these
