Introduction to Angles Using Circles

Q. The temperatures for a week in a city are as follows:

Day	Temperature (in Degree Celsius)
Monday	42
Tuesday	40
Wednesday	41
Thursday	39
Friday	35
Saturday	38
Sunday	37

On how many days is the temperature higher than the average temperature for the week?

1. 
   3
2. 
   5
3. 
   1
4. 
   4

Q.

Following table shows the points of each player scored in four games. Now answer the following questions:

1. Find the mean to determine A’s average number of points scored per game.
2. To find the mean number of points per game for C, would you divide the total points by $3$ or by $4$? Why?
3. B played in all the four games. How would you find the mean?
4. Who is the best performer?

Player	Game 1	Game 2	Game 3	Game 4
A	$14$	$16$	$10$	$10$
B	$0$	$8$	$6$	$4$
C	$8$	$11$	Did not play	$13$

Q. is used for drawing an arcs, circles, semi-circles etc.

1. Compass
2. Divider
3. Protractor

Q. Given below is a pattern made using matchsticks. Observe the given triangular pattern pattern and tell the number of matchsticks used in the next figure in the sequence.

1. 13
2. 11
3. 9
4. 7

Q.

Amrita has 8 ten rupee notes and 2 five rupee notes. She has total ₹___ with her.

1. 10

2. 80

3. 90

4. 100

Q. If the price of a ball is ₹50 and the price of a bat is ₹550, find the total cost of 2 balls and 5 bats.

1. $₹2850$
2. $₹2950$
3. $₹2750$
4. $₹2650$

Q. Given below is a pattern made using squares. Observe the pattern and tell the number of squares in the next figure in the sequence.

1. 36
2. 25
3. 49
4. 64

Q.

What is good sample size for t test?

Q. An angle of 1 degree is obtained by dividing a circle into ____ equal parts.

1. 90
2. 180
3. 300
4. 360

Q.

The following amounts are the income for 5 days calculated by a man.

₹760, ₹820, ₹745, ₹782 and ₹779.

If the average income is ₹775 for 6 days, what is the income on the sixth day?

1. ₹769
2. ₹760
3. ₹764
4. ₹774

Q.

Why is it better to use a divider than a ruler, while measuring the length of a line segment?

Q. In the given pattern, which row has 13 stars?

1. 7

Q.

Meena ordered$140$chocolate cupcakes and $160$ vanilla cupcakes for her birthday party. If each cupcake costs $₹$$55$, find the total money spent by her.

Q. Priya has three times as many chocolates as Shriya has. If the total number of chocolates with both of them is 36, how many chocolates does Shriya has?

1. 9

Q.

In a district, ₹ $1882$ were spent for digging the tubewell, and ₹ $2750$ were spent on a medical help for the rural population.

Find the total amount spent.

Q.

Which of the following methods is the best way to compare the lengths of two line segments?

1. Comparison by observation

2. Comparison by tracing, using a tracing paper

3. Comparison using a ruler and divider

4. None of these

Q.

The image given below is a ____.

1. Compass

2. Divider

3. Ruler

4. Protactor

Q. There are 5 tiles in a row. Jack arranges colorful shapes and symbols on the tiles in such a way that they form the series as shown in the image below.


Identify the pattern, and find how Jack will arrange the symbols in the fifth tile.

1. 
2. 
3. 
4. 

Q.

Why do we need a divider to compare the lengths of line segments, when we can use the ruler for the same purpose?

1. Ruler may not give exact reading.

2. As ruler is not always available.

3. Ruler does not have two ends.

4. Insufficient data.

Q.

The instrument in the following figure looks similar to the compass with two ends but it is actually not. What is this instrument called?

1. Divider

2. Protactor

3. Ruler

4. Compass

Q.

Add the following:

$4abc,5bca,6cab,7ab$

Q.

What is the angle formed by each part when a circle is divided into 8 equal parts?

1. 45 degrees

2. 20 degrees

3. 90 degrees

4. 80 degrees

Q.

Why do we need a divider to compare the lengths of line segments, when we can use the ruler for the same purpose?

1. Ruler does not have two ends.

2. As ruler is not always available.

3. Ruler may not give exact reading.

4. Insufficient data.

Q.

Solve the following word problems.

Vicky, Roshni, and Naina purchased flats for $₹2,70,80,435,₹1,89,75,670,\&₹1,90,38,900.$ What is the total amount paid by them $?$

Q.

The image given below is a ____.

1. Compass

2. Protactor

3. Divider

4. Ruler

Q.

The image given below is a ____.

1. Protactor

2. Divider

3. Ruler

4. Compass

Q.

What should be the angle at the center, if a circle divided into 5 equal parts?

1. 40°

2. 72°

3. 90°

4. 100°

Q. $\mathrm{From}\mathrm{what}\mathrm{number}\mathrm{should}2\frac{2}{3}\mathrm{be}\mathrm{subtracted}\mathrm{so}\mathrm{that}\mathrm{the}\mathrm{difference}\mathrm{would}\mathrm{be}6\frac{1}{3}?$

Q. Rob and Tim bought half a dozen apples and two chocolates. If each apple and chocolate cost $₹xand₹y$ respectively, then they spent ₹____ in total.

1. $(12x+2y)$
2. $(12x+y)$
3. $(6x+y)$
4. $(6x+2y)$

Q. The best way to compare the length of two line segments is by using a ruler and divider.

1. False
2. True