RATIO & PROPORTIONS

09.01.2017   -------- 

RATIO & PROPORTIONS

SUB TOPIC --  UNITARY METHOD

1.      If  it has rained 276 mm in the last three days , how many mm of  rain will fall in one full week ( 7days)?

2.      The temperature dropped 15 degree Celsius in the last 30 days. If the rate of temp drop remains the same, how many degrees will the temperature drop in the next ten days?

3.      Shaina pays Rs 7500 as rent for three months. How much does she has to pay for a whole year, if the rent per month remains the same?

4.      A truck requires 108 liters of diesel for covering 594 Km. The truck will require how much diesel to cover 1650 Km?

16.01.2017  ---------  DATA HANDLING

1. Following is the choice of sweets of 30 students of class6 Ladoo,Barfi,Ladoo,jalebi,Ladoo,Rasgulla,Jalebi,Ladoo,Barfi,Rasgulla,Ladoo,Jalebi,Jalebi,Rasgulla,Ladoo,Rasgulla,Jalebi,Ladoo,Rasgulla,Ladoo,Ladoo,Barfi,Rasgulla,Rasgulla,Jalebi,Rasgulla,Ladoo,Rasgulla,Jalebi,Ladoo.

(a) Arrange the names of sweets in a table using  tally marks

(b) Which sweet is preferred by most of the students?

2. Total number of students of a school in different years is shown in the following table

YEAR	NUMBER OF STUDENTS
1996	400
1998	550
2000	450
2002	600
2004	650

(a)   Prepare a Pictograph of students using one symbol to represent 100 students & answer the following questions

(i)                 How many symbols represent total number of students in the year 2002?

(ii)               How many more symbols are used to represent students in the year 1996 than in the year 2002?

3. Following table shows the number of bicycles manufactured in a factory during the years 1998 to 2002. Illustrate this data using a bar graph. Choose a scale of your choice

YEAR	NUMBER OF BICYCLES
1998	800
1999	600
2000	900
2001	1100
2002	1200

(i)                 What is the scale chosen?

(ii)               In which year was the maximum number of bicycles manufactured?

(iii)             In which year was the number of bicycles manufactured the minimum?

23.01.17------- MENSURATION

1. Text book page no: 275, exercise 10.1 Question no: 1

2. A table top measures 2m 25cm by 1m 50cm. What is the perimeter of the top of the table?

3. Find the perimeter of a triangle with sides measuring 10 cm, 14 cm & 15 cm?

4.Find the perimeter of a regular hexagon with each side measuring 8m? Find the cost of fencing a rectangular park of length 175m & breadth 125 m at the rate of Rs 12 per metre?