Q1 . A cricket team scores 60 runs in the first 15 overs.How many runs per over should the team score in the next couple of overs to reach a total score of 350 in a 50 overs match?
1. 5
2. 7
3. 6.5
4. 8.2
Correct Answer is
8.2
SOLUTION
total runs to score 350-60=290
total overs 50-15=35 overs
so average runs to be scored 290/35=8.2 runs
Q2 . The average weight of family with 12 members is 50 KG.There are two kids that are newly born into the family.Which reduces the family average 10 Kg Find the weight of the newly born kids?
1. 40kg
2. 22kg
3. 21kg
4. 20kg
Correct Answer is
40 kg
SOLUTION
Total weight of family 12x50=600 kg
after the babies are born average is 55
total weight is 40x14=640
weight of kids is 640-600=40kg
Q3 . In a cloth store,the total cost of 10 dresses is 4500 the removal of one of the dresses reduces the overall average by Rs 50.Find the cost of the dress that was removed?
1. 820
2. 800
3. 900
4. 905
Correct Answer is
900
SOLUTION
total cost of 10 dresses is 4500
so average cost of dress is 4500/10=450
removal of one dress reduces the cost by 50
cost of one dress now is 400
so now total cost of dress is 9x400=3600
cost of that dress is 4500-3600=900
Q4 . In a school,there are two classes with 50 students each and their averages are 40 and 30.The calculation was done when all the students were present.In a given day 5 students from each class are absent.Find the average of the school?
1. 31
2. 33
3. 35
4. 32
Correct Answer is
35
SOLUTION
5 students are absent from each class so 45 in each class
total age in class A is 45x40=1800
total age in class B is 45x30=1350
average of school is (1800+1350)/(45+45)=35
Q5 . What is the average of all the odd integers from upto 21?