Read and expand the number 50000, 676097

Write the number name in numerals. Two crore thirty lakh fifty one thousand nine hundred eighty.

Write the number name in numerals. Seven hundred eighty nine million, two hundred thirteen thousand four hundred fifty six.

The password to access my ATM card includes the digits 9,4,6 and 8. It is the smallest 4 digit even number. Find the password of my ATM Card.

The number of people who visited the Public Library for the past 5 months were 1200, 2000, 2450, 3060 and 3200. How many people visited the library in the last 5 months.

Round off the number 78,794 to the nearest thousands.

The population of a city was 43,43,645 in the year 2001 and 46,81,087 in the year 2011. Estimate the increase in population by rounding off to the nearest thousand.

Study the following table and answer the questions.

Year	No. of Tigers
1990	3500
2008	1400
2011	1706
2014	2226

(i) How many tigers were there in 2011?
(ii) How many tigers were less in 2008 than in 1990?
(iii) Did the number of tigers increase or decrease between 2011 and 2014? If yes, by how much?

Read the table and answer the following questions.

Name of the Star	Diameter (in miles)
Sun	864730
Sirius	1556500
Canopus	25941900
Alpha Centauri	1037700
Arcturus	19888800
Vega	2594200

(i) Write the Canopus star’s diameter in words, in the Indian and the International System.
(ii) Write the sum of the place values of 5 in Sirius star’s diameter in the Indian System.
(iii) Eight hundred sixty four million seven hundred thirty. Write in Indian System.
(iv) Write the diameter in words of Arcturus star in the International System.
(v) Write the difference of the diameters of Canopus and Arcturus stars in the Indian and the International Systems.

A Music concert is taking place in a stadium. A total of 7,689 chairs are to be put in rows of 90.
(i) How many rows will there be?
(ii) Will there be any chairs left over?

Complete the table and find the value of ‘k’ for which \(\frac{'k'}{3}\) gives 5.

k	3	6	9	12	15	18
\(\frac{'k'}{3}\)	1	2

A piece of wire is ‘12s’ cm long. What will be the length of the side, if it is formed as
(i) an equilateral triangle
(ii) a square

The table given below shows the results of the matches played by 8 teams in a Kabaddi championship tournament.

Teams	A	B	C	D	E	F	G	H
Total Matches played	8	7	n	a	9	10	8	y
Matches won	5	6	4	7	b	6	x	3
Matches lost	k	m	6	2	3	c	4	6

Find the value of all the variables in the table given above.

Find the variables from the clues given below and solve the cross−word puzzle.

Across	Down
x + 40 gives 100	x is 1005 multiplied by 6
7 reduced from t gives 31	t ÷ 7 = 5
z is 5 added 5 times	p is the predecessor of first 3 digit number
v is the whole number zero plus number of days in a ordinary year	z is the number of weeks in a year (digits reversed)
k is 24 added to 25	k is 11 times 4
u is 2 added to two times 11 gives the number of hours in a day	u is product of 23 and 9
a is 20 more to 40	a is 4 added to the product of 12 and 5
s minus 1 gives 246 is the number of letters in Tamil language	m is the successor of 9

A line segment 63 cm long is to be divided into two parts in the ratio 3 : 4. Find the length of each part.

The America’s famous Golden Gate bridge is 6480 ft long with 756 ft tall towers. A model of this bridge exhibited in a fair is 60 ft long with 7 ft tall towers. Is the model in proportion to the original bridge?

You purchase 6 apples for Rs. 90 and your friend purchases 5 apples for Rs. 70. Whose purchase is better?

The ingredients required for the preparation of Ragi Kali, a healthy dish of Tamilnadu is given below.

Ingredients	Quantity
Ragi flour	4 cups
Raw rice broken	1 cup
Water	8 cups
Sesame oil	15 ml
Salt	10 mg

(a) If one cup of ragi flour is used then, what would be the amount of raw rice required?
(b) If 16 cups of water is used, then how much of ragi flour should be used?
(c) Which of these ingredients cannot be expressed as a ratio? Why?

If the ratio of Green, Yellow and Black balls in a bag is 4 : 3 : 5, then
(a) Which is the most likely ball that you can choose from the bag?
(b) How many balls in total are there in the bag if you have 40 black balls in it?
(c) Find the number of green and yellow balls in the bag.

Use any number of the given dots to make different angles.

Pick out the Obtuse angles from the given figures.

Find the parallel and intersecting line segments in the picture given below.

From the figures given below, classify the following pairs of angles into complementary and non complementary

With the help of a ruler and compass, draw a line segment PQ = 5.5cm

Use a Protractor to draw an angle 45°.