The number of minutes students took to complete a quiz is summarized in the table above. If the mean number of minutes was 17, which equation could be used to calculate c?

Calculate the number of light minutes in one metre?

Observe the table above and calculate total number of students from class III and VI are going to the picnic.

x + y = 75 The equation above relates the number of minutes, x, Maria spends running each day and the number of minutes, y, she spends biking each day. In the equation, what does the number 75 represent?

In every 45 minutes, the number of nuclei of a radionuclides becomes 80 % of its number before 45 minutes, then the time (in minute) in which the number of nuclei of that nuclide becomes 64% of its initial number is

Thirty women were examined in a hospital by a doctor and the number of heartper minute were recorded and summarized as follows. Find the mean heart beats per minute for these women, choosing a suitable method.

Ten students of class X took part in Mathematics quiz. If the number of girls is 4 more than the number of boys. Represent this situation algebraically.

A student noted the number of cars passing through a spot on a road for 100 periods each of 3 minutes and summarised it in the table given below. Find the mode of the data :

A student noted the number of cars passing through a spot on a road for 100 periods each of 3 minutes and summarised it in the table given below. Find the mode of the data :

The table above shows the distribution of the number of push ups completed by 30 people in a high school gym class. Which of the following is true the mean, mode, and the range of the numbers of push ups completed?