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From his observations, he tried to draw conclusions. Something about the “Dodo” birds was not alright. He took out his encyclopedia and searched “Dodo”. There was a table, which gave the number of Dodo birds in different years. The table was as follows:

$\begin{array}{cc}\text{Year}& \text{No. of Dodo birds}\\ 1665& 1500\\ 1675& 300\\ 1681& 1\\ 1685& \text{Extinct}\end{array}$

Looking at the table and analyzing the data, he derived the conclusion that:

1. 6

Question 62

Write the opposite to each of the following:

(a) Decrease in size.

(b) Failure.

(c) Profit of ₹ 10.

(d) 1000 AD.

(e) Rise in water level.

(f) 60 km South.

(g) 10 m above the danger mark of river Ganga.

(h) 20 m below the danger mark of the river Brahmaputra.

(i) Winning by a margin of 2000 votes.

(j) Depositing Rs 100 in the bank account.

(k) ${20}^{\circ }$C rise in temperature.

Question 3(d)

Is the following statement True or False:

32 m : 64 m = 6 sec : 12 sec.

Question 2(e)

Observe this bar graph which is showing the sale of shirts in a readymade shop from Monday to Saturday.
Now answer the following questions:
How many shirts were sold on Thursday?

Shiva, Sethupathi, and Murugan are friends and decide to spend their weekend in Bangalore. Shiva is from Hyderabad, Sethupathi hails from Coimbatore and Murugan is from Chennai.
The duration of their journey is 8 hours, 6 hours, and 8 hours respectively. They plan on reaching to Bangalore by 8 pm but they reach Bangalore only by 9 pm. So, estimate the time when they started from their respective city. Consider they haven't stopped anywhere during their journey.

Question 20.

State True/False

The sum of all the integers between -5 and -1 is -6.

Fill in the blanks:

Farther a number is from 0 on the right, _____ is its value.

Farther a number is from 0 on the left, _____ is its value.

Rob and Tim bought half a dozen apples and two chocolates. If each apple and chocolate cost $₹xandy$ resp, they spent ₹ in total.

1. 1

A football is an example of:

Replace * by the smallest digit so that the number 56 * 891 is divisible by 3

$\text{(35xy + 45x +}5y^2\text{+ 25xyz) is a :}$

If A = $\frac{6}{7}$ and B = $\frac{7}{6}$.
Among A and B, which one is greater?

1. \N

What does the underlined adjective indicate?

The fans objected to the popular young actor’s arrest.

There are _______ metres in 20 kilometres.

Find the mean of the first 10 multiples of 2.

If each observation is increased by 5, then its mean _____

What is Perimeter? [1 MARK]

One angle of a triangle is ${60}^{\circ }$ and the other two angles are in the ratio 2:3. Find the smallest angle in the triangle.

Arrange the following in ascending order.

$i.21\times (-34)\times (-12)$

$ii.(7\times 8)-9$

$iii.7\times (8-9)$

$iv.21\times (-34)\times \left(12\right)$

Arjun read a fact that bronze contains 88% copper and 12% tin. So, there will be ___ gms of copper in 200gms of bronze.

Mala and Bala got 75 marks and 25 marks respectively in an examination. Find the ratio of the marks scored by Mala to total marks obtained by both of them.

Ratio is a method of comparison of similar quantities by using ________.

R1, R2, R3 and R4 are 4 rectangles with areas $15m^2,6m^2,9m^{2}and2m^2$ respectively. Which is the 'biggest' rectangle?

___means that one shape becomes exactly like another when you move it in some way: turn, flip or slide.

1. 4

The Heights ( in cm ) of 10 girls of a class are 140 , 142, 135 , 133 , 137 , 150 , 148 and 138, 141, 139 respectively. Find the mean height of these girls

Question 1 (a)

Find the number of lines of symmetry for the given shape:

The lid of a rectangle box of sides 40 cm by 10 cm is sealed all round with tape. what is the length of the tab require.

Question 41

Fill in the blanks to make the statements true.

A rhombus is symmetrical about ___.

The figures shown below are

Find the angle which is equal to its complement?

Which one of the following doesn’t represent proportionality :

Find the number of lines of symmetry for a regular pentagon.

There is a certain number, whose value is unknown. But it is known that when 5 is added to that number, we get 15. What is the value of the number?

Rain water fills a tub of dimensions 11 m × 7 m × 2 m. The capacity of the tub is___

The approximate number of cells present in human body are:

Question 115.
When Sunita weighed herself on Monday, she found that she had gained 1$\frac{1}{4}$ kg. Earlier her weight was 46$\frac{3}{8}$ kg. What was her weight on Monday?

Question 1(a)

Find the area of the rectangle whose side is 3 cm and 4 cm.

Question 2 (a)

Make five more examples of your own and find the greater number from them:

Which is greater ?

1.8 or 1.82

Question 9 (c)

For the following statement write True (T) or False (F). If the statement is false, correct the statement:

Smallest negative integer is –1.

Which of the following are polygons?