Suyash scored 10 marks more in second test than that in first. 5 times the score of the second test is same as square of the score in first test. Find his score in first test.

Had Arya scored 10 more marks in her mathematics test out of 30 marks. 9 times these marks would have been the square of her actual marks. How many marks did she score in the test ? (No negative marking system in the test.)

The table below shows the students of a class sorted according to their scores in a test Find the median score. .

Marks scored by 30 students of 10th standard in unit test of mathematics is given below. Find the variance of the scores:

Rohit scored 180 marks in the first test and 150 marks in the second test. The maximum marks in each test is 200. What is the decrease in his performance in percentage points? (a) 20% (b) 15% (c) 25% (d) 23%

Rohit scored 180 marks in the first test and 150 marks in the second test.The maximum marks in each test is 200. What is the decrease in his performance in percentage points? 20% (b) 15%25% (d) 23%

Calculate the mean of the scores of 20 students in a mathematics test

Calculate the mean of the scores of 20 students in a mathematics test

The scores of 20 students in a test is tabulated as follows: Find the mode of the data.

The table below shows the students of a class sorted according to their scores in a test If the students are arranged in the increasing order of their scores, the score of the student at what position is taken as the median? .