Class -5- Mathematics – Number System - SKK International Olympiad

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Class -5- Mathematics - Number System-1

1 / 20

How can the numbers 10 million, 1 billion and 216 thousand be arranged in descending order?

1 billion, 10 million, 216 thousand

10 million, 216 thousand, 1 billion

216 thousand, 10 million, 1 billion

216 thousand, 1 billion, 10 million

2 / 20

Which of the following numbers is equal to 3 crore?

3 million

3000 million

300 million

30 million

3 / 20

99,999 is the greatest _________ digit number.

4

5

3

2

4 / 20

Which one of the following numbers is prime?

29

27

28

26

5 / 20

Which one of the following numbers is composite?

73

69

71

67

6 / 20

Which are the respective greatest and the smallest numbers amongst 321987, 319240, 321978 and 321970?

321987 and 321970

319240 and 321978

319240 and 321987

321987 and 319240

7 / 20

9,87,61,230 9,87,16,230

Which of the following signs can be placed in the box between the two
numbers?

None of these

=

<

>

8 / 20

What is the difference between the greatest and smallest 5-digit numbersformed by using all the digits 3, 0, 9, 1 and 5?

81720

93951

84951

79172

9 / 20

How many three-digit numbers can be formed with the digits 3, 0 and 7
without repetition?

6

4

1

5

10 / 20

The number 35 million ends with how many zeroes?

Seven

Six

Five

Four

11 / 20

What is difference between the place values of two 5's in the number
4598351?

499950

49995

49950

0

12 / 20

The place value of 5 in 780756 is

Five tens

Five hundreds

Five ones

5 tenths

13 / 20

Match the following numbers in list I with the corresponding place value of number 5.

1 2 3 4

2 1 3 4

3 1 2 4

1 2 3 4

14 / 20

2,357,822 2,357,799

<

None of these

>

=

15 / 20

Which one of the following numbers is prime?

21

19

18

20

16 / 20

The number 90 is to be written as a product of its prime factors. Which one of the following is correct?

90 = 2 * 3 * 3 * 5

90 = 2 * 5 * 9

90 = 3 * 5 * 6

90 = 2 * 3 * 15

17 / 20

10000001 is the successor of _______

9999999

None of these

10000000

10000002

18 / 20

The number 24 is to be written as a product of its prime factors. Which one of the following is correct?

24 = 2 *3 * 4

24 = 4 * 6

24 = 2*2*2*3

24 = 3 * 8

19 / 20

How can the number fifty million twenty-one thousand two hundred thirty six be written using commas according to Indian system of numeration?

5,00,21,236

50,021,236

500,021,236

50,00,21,236

20 / 20

Which one of the following numbers is composite?

105

107

101

103

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