What is the zig zag line called?

The adjoining pie chart gives the marks scored in an examination by a student in Hindi, English, Mathematics, Social Science and Science. If the total marks obtained by the students were 540, answer the following questions.

(i) In which subject did the student score 105 marks?

(Hint: For 540 marks, the central angle = 360°. So, for 105 marks, what is the central angle?)

(ii) How many more marks were obtained by the student in Mathematics than in Hindi?

(iii) Examine whether the sum of the marks obtained in Social Science and Mathematics is more than that in Science and Hindi.

(Hint: Just study the central angles).

A swimming pool can be filled in 8 hrs by 4 equal pumps. How many such pumps are required if the pool is to be filled 5 1/3 hours.

What is the broken line in the histogram used for?

please answer

thank you!

The number of students in a hostel, speaking different languages is given below. Display the data in a pie chart.

Numbers 1 to 10 are written on ten separate slips (one number on one slip), kept in a box and mixed well. One slip is chosen from the box without looking into it. What is the probability of.

(i) getting a number 6?

(ii) getting a number less than 6?

(iii) getting a number greater than 6?

(iv) getting a 1-digit number?

in a cricket match, a batsman hits 6 times out of 30 balls he plays. find the praobability that he didnot hit the boundary.

What is the difference between highest and lowest value of observation called ?

plz tell me how to draw easy pie chart ???????

Difference between bar graph and histogram

 pls explain the histogram with a jagged line....

 I REQUST THE MERITNATION MAKRS TO ADD MUSIC IN THE "LET'S REVIEW"ACTIVITIES !    

 sir,

I think there is miss spelt data in conection with the first grouped frequency distribution table i.e 12 people are of ages less than 20, however,as per data there are only 11 people are of ages less than 20.

kindly make necessary amendment plzz.

thank you!!!!!