We have done various patterns with numbers in our previous class. Can you find a pattern for each of the following? If yes, complete them.
7, 3, - 1, - 5, ___, ___, ___

3

(a)

Following number line shows the temperature in degree Celsius (^o C ) at different places on a particular day.

What is the temperature difference between Lahulspiti and Srinagar?

3

(a)

Rita goes 20 km towards East from a point A to the point B. From B, she moves 30 km towards West along the same road. If the distance towards East is represented by a positive integer, then how will you represent the distance travelled towards West? By which integer will you represent her final position from A?

3

(a)

Verify a + (- b) = a - b for the following values of a and b: a = 137, b = 92

3

(a)

In a quiz, team A scored -30, 5, 0 and team B scored 20, 0, -10 in three successive rounds. Which team scored more? Can we say that we can add integer in any order?

3

(a)

Leonard spent \(\frac{1}{8}\)of his allowance on food, \(\frac{1}{4}\) on clothes and \(\frac{3}{5}\) on the remainder. If he had $ 80 left. Find Leonard's allowance.

3

(a)

Organise the following marks in a class assessment ,in a tabular form: 4, 6, 7, 5, 3, 5, 4, 5, 2, 6, 2, 5, 1, 9, 6, 5, 8, 4, 6, 7 - What is the range of the data?

3

(a)

The weights (in kg) of 15 students of a class are 38, 42, 35, 37, 45, 50, 32, 43, 43, 40, 36, 38, 43, 38 and 47. 
(i) Find the mode and median of this data.
(ii) Is there more than one mode?

3

(a)

Consider this data collected from a survey of a colony

Favourite Sport	Cricket	Basket Ball	Swimming	Hockey	Athletics
Watching	1240	470	510	430	250
participating	620	320	320	250	105

Which sport is most popular?

3

(a)

The following table shows wheat and rice productions (in tonne) in five consecutive years. Draw a double bar graph choosing appropriate scale and answer the following:

Years	1970	1971	1972	1973	1974
Wheat	19	5	20	18	10
Rice	7	18	4	9	28

Which year is the best in wheat production?

3

(a)

The mean of 40 observations was 160. It was detected on re-checking that the value of 165 was wrongly copied as 125 for computation of mean. Find the correct mean.

3

(a)

Solve for x: \(\frac { 2x-1 }{ 3 } -\frac { 6x-2 }{ 5 } =\frac { 1 }{ 3 } \)

3

(a)

Find the value of \(\angle AOB\) in the given figure.

3

(a)

Three angles of a triangle are in the ratio of 2 : 3 : 4. Find all the angles of the triangle.

3

(a)

In the following figures, measures of some parts are indicated. By applying ASA congruence rule, state which pairs of triangles are congruent. In case of congruence, write the result in symbolic form.

3

(a)

A contractor has a worliforce of 480 men who can finish a certain piece of work in 10 months. How many extra men must he employ to complete the work in 8 months

3

(a)

Construct a mangle ABC in which BC = 4.5 cm, \(\angle B\) = 60° and \(\angle C\) = 45°​​​​​​​

3

(a)

If the area of circle is 38.5 cm², find its circumference.

3

(a)

Subtract the sum of 5x² - 6x + 4 and -4x² - 2x + 3 from O.

3

(a)

Find the value of:
5 x(-1)⁵

3

(a)