1. Anuj travels first 1/3 rd of the total distance at the speed of 10kmph and the next 1/3 rd distance at the speed of 20kmph and the last 1/3 rd distance at the speed of 60kmph. What will be the average speed? (1)
- (1)18
- (2)20
- (3)22
- (4)10
- (5)15
2. In an office, the average weight of 24 employees is 60 kg. If n employees were included whose average weigh was 54 kg, then what is the total number of employees in the office provided the new average weight of all the (24+n) employees is a whole number. (3)
- (1)14
- (2)26
- (3)36
- (4)28
- (5)22
3. Four runners started running the race in the same direction around a circular path of 7 km. Their speeds are 4,3,9 and 3.5 kmph individually. If they have started their race at 6 o’clock in the morning, then at what time they will be at the starting point? (4)
- (1)12
- (2)14
- (3)10
- (4)5
- (5)18
4. A jar was full of honey. A person used to draw out 20% of the honey from the jar and replace with sugar solution. He performs the same process 4 times and thus there was only 512 gm of honey left in the jar, the rest part of the jar was filled with the sugar solution. What is the initial amount of honey in the jar? (4)
- (1)2 kg
- (2)1.5 kg
- (3) 1 kg
- (4)1.25 kg
- (5) None of these
5. The average marks of the students in four sections A,B,C and D together is 60%. The average marks of the students of A,B,C and D individually are 45%, 50%, 72% and 80% respectively. If the average marks of the students of sections B and C together is 60%. What is the ratio of number of students in sections A and D ? (1)
- (1) 4 : 3
- (2) 3 : 4
- (3) 2 : 3
- (4) 1 : 2
- (5) None of these