School is holding a writing contest for students from $1^{st}$ grade to $5^{th}$ grade. $3$ students should participate from each grade. Each student brings one pen, one pencil, one eraser, and one sharpener. How many implements will we see at the competition?

Q. School is holding a writing contest for students from $1^{st}$ grade to $5^{th}$ grade. $3$ students should participate from each grade. If each student brings two pens, two pencils, one eraser, and one sharpener. How many implements will we see at the competition?

Q. The given bar graph shows the number of students from different classes of a school who participated in a competition.

Study the bar graph and answer the following questions.

a) How many more students of grade IV participated in the competition as compared to grade III?

b) How many students in total, of all five classes, have participated in the competition?

Q. In a school there are 127 students in grade one, 120 students in grade two, 110 students in grade three, 100 students in grade four and 93 students in grade five. Find the total number of students in the school.

Q. The number of students present on each of the five days of the week from Grade 5 and Grade 6 are represented in the bar graphs below. How many more students are present in Grade 6 on Wednesday?