1 billion is equal to ___________

(a)

100 crore

(b)

100 million

(c)

100 lakh

(d)

10000 lakh

The successor of 10 million is

(a)

1000001

(b)

10000001

(c)

9999999

(d)

100001

Which list of numbers is in order from the smallest to the largest?

(a)

1468, 1486, 1484

(b)

2345, 2435, 2235

(c)

134205, 134208, 154203

(d)

383553, 383548, 383642

The Arabian Sea has an area of 1491000 square miles. This area lies between which two numbers?

(a)

1489000 and 1492540

(b)

1489000 and 1490540

(c)

1490000 and 1490100

(d)

1480000 and 1490000

The chart below shows the number of newspapers sold as per Indian Readership Survey in 2018. Which could be the missing number in the table?

Name of the Newspaper	Ranking	Sold (in Lakh)
A	1	70
B	2	50
C	3	?
D	4	10

(a)

8

(b)

52

(c)

77

(d)

26

Use BIDMAS and put the correct operator in the box. 2 \(\Box\) 6 - 12 \(\div \) (4 + 2) = 10

(a)

+

(b)

-

(c)

\(\times\)

(d)

\(\div \)

The estimation to the nearest hundred of 76812 is

(a)

77000

(b)

76000

(c)

76800

(d)

76900

\(\frac { 59 }{ 1 } \) is

(a)

1

(b)

0

(c)

\(\frac { 1 }{ 59 } \)

(d)

59

The product of a non-zero whole number and its successor is always

(a)

an even number

(b)

an odd number

(c)

zero

(d)

none of these

Which of the following is not true?

(a)

(4237 + 5498) + 3439 = 4237 + (5498 + 3439)

(b)

(4237 \(\times\) 5498) \(\times\) 3439= 4237 \(\times\) (5498 \(\times\) 3439)

(c)

4237 + 5498 \(\times\) 3439 = (4237 + 5498) \(\times\) 3439

(d)

4237 \(\times\) (5498 + 3439) = (4237 \(\times\) 5498) + (4237 \(\times\) 3439)

Variable means that it

(a)

can take only a few values

(b)

has a fixed value

(c)

can take different values

(d)

can take only 8 values

‘6y’ means

(a)

6 + y

(b)

6 − y

(c)

6 × y

(d)

\(\frac{6}{y}\)

The number of days in ‘w’ weeks is

(a)

30 + w

(b)

30w

(c)

7 + w

(d)

7w

The value of ‘x’ in the circle is

(a)

6

(b)

8

(c)

21

(d)

22

The value of ‘y’ in y + 7 = 13 is

(a)

y = 5

(b)

y = 6

(c)

y = 7

(d)

y = 8

The length and breadth of a window are in 1m and 70 cm respectively. The ratio of the length to the breadth is ____________.

(a)

1 : 7

(b)

7 : 1

(c)

7 : 10

(d)

10 : 7

The ratio of the number of sides of a triangle to the number of sides of a rectangle is

(a)

4 : 3

(b)

3 : 4

(c)

3 : 5

(d)

3 : 2

If Azhagan is 50 years old and his son is 10 years old then the simplest ratio between the age of Azhagan to his son is

(a)

10 : 50

(b)

50 : 10

(c)

5 : 1

(d)

1 : 5

An equivalent ratio of 4 : 7 is

(a)

1 : 3

(b)

8 : 15

(c)

14 : 8

(d)

12 : 21

Which is not an equivalent ratio of \({16\over 24}\)?

(a)

\(6\over 9\)

(b)

\(12\over 18\)

(c)

\(10\over 15\)

(d)

\(20\over 28\)

Which of the following ratios are in proportion?

(a)

3 : 5 , 6 : 11

(b)

2 : 3, 9 : 6

(c)

2 : 5, 10 : 25

(d)

3 : 1, 1 : 3

If the ratios formed using the numbers 2, 5, x, 20 in the same order are in proportion, then ‘x’ is

(a)

50

(b)

4

(c)

10

(d)

8

If 8 oranges cost Rs. 56, then the cost of 5 oranges is Rs. ___________.

(a)

42

(b)

48

(c)

35

(d)

24

If a man walks 2 k.m. in 15 minutes, then he will walk ___________ k.m. in 45 minutes.

(a)

10

(b)

8

(c)

6

(d)

12

The equivalent fraction of \(\frac { 1 }{ 7 } \) is _____________

(a)

\(\frac { 2 }{ 15 } \)

(b)

\(\frac { 1 }{ 49 } \)

(c)

\(\frac { 7 }{ 49 } \)

(d)

\(\frac { 100 }{ 7 } \)

The smallest 7 digit number is ____________

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10,00,000

Complete the given order.
Ten crore, crore, ten lakh, ___________, ___________, ____________, _________, ___________.

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Lakh, Ten thousand, Thousand, Hundred, Ten, One

Fill in the blanks with > or < or =.
48792 _____ 48972

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<

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1248654 _____ 1246854

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>

Fill in the blanks with > or < or =.
658794 _____ 658794

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=

If Arulmozhi saves Rs. 12 per day, then she saves Rs. ________ in 30 days.

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360

45 ÷ (7 + 8) − 2 = ______________

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1

The nearest 10000 of 85654 is _________

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90,000

Division by __________ is not defined.

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Zero

A quantity that takes____________values is called a variable.

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Different

If there are 5 students in a bench, then the number of students in ‘n’ benches is ‘5 × n’. Here_____________is a variable.

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n

The algebraic statement of ‘f’ decreased by 5 is_________.

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f - 5

The verbal statement of '2m − 10' is___________.

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10 less to 2 times m

If A’s age is ‘n’ years now, 7 years ago A’s age was_____________.

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n - 7

Ratio of Rs. 3 to Rs. 5 = __________.

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3 : 5

Ratio of 3 m to 200 c.m = __________.

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3 : 2

Ratio of 5 k.m 400 m to 6 k.m = __________.

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9 : 10

Ratio of 75 paise to Rs. 2 = __________.

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3 : 8

4 : 5 = ___ : 10

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8

3 : 5 : :_____: 20

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12

_____: 24 : : 3 : 8

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9

5 :____ : : 10 : 8 : : 15 :_____

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4, 12

12 : _____=_____ : 4 = 8 : 16

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24, 2

If Karkuzhali earns Rs. 1800 in 15 days, then she earns Rs. 3000 in __________days.

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25 days