CSAT Practice Questions – Average – Quiz 1

1. What is the mode of the sequence: 1, 1, 1, 2, 2, 2, 3, 3, 3

2. The average weight of a class of 24 students is 36Kg. When the weight of the teacher is also included, the average weight increases by 1kg. What is the weight of the teacher?

3. The average of a batsman in 16 innings is 36. In the next innings, he is scoring 70 runs. What will be his new average?

4. A zoo has three monkey cages. 10 monkeys from Cage 1 is shifted to Cage 2 and 5 monkeys from cage 2 is shifted to Cage 3. Then what will happen to the average weight of monkeys in the zoo?

5. The average marks of 50 students in a test is 80. It was found later that marks of one student was 93, but was misread as 43. Then corrected average marks is:

6. Consider two statements and a Question:
Statement 1: The average marks of Athira in GS1, GS2 and GS3 is 90
Statement 2: The average marks of Athira in GS2, GS3 and GS4 is 100

Question: Did Athira score more marks in GS1 compared to GS4?

Which one of the following is correct in respect to the Question and the statements?

7. 50 students of a classroom was divided into two groups A and B of 25 students each. Now Consider the given statements with respect to a test conducted in the class:
Statement 1: In group A highest score is 70 and lowest score is 50.
Statement 2: In group B highest score is 90 and lowest score is 75.

If 5 students from group A is shifted to group B, then which of the following is definitely correct?