Question

Il. Fill in the blanks

11) The sum of an even and an odd number is always ..........

12) The product of two even numbers is always,........,....

13) Pairs of ........... numbers having a difference of 2 are called twin primes.

14) A number is .......... if it is not divisible by 2.

15) A number which is equal to the ........... of its factors other than itself is called a perfect number.

16) For two or more numbers the greatest of the common factors is there .......

17) The LCM of two or more numbers cannot be less than the ............

18) The whole number 0 has no ..............

19) Natural numbers are also called ......... numbers.

20) A fraction whose numerator is less than the denominator is called ....... fraction.

lll. Which of the following statements are true (T) and which are false (F)?

21) Zero is the smallest whole number.

22) All whole numbers are natural numbers.

23) The predecessor of a two digit number is never a single digit number.

24) 1 is the smallest whole number.

25) The whole number 1 has no predecessor.

IV. Very Short Answers

26) The mobile number consists of 10 digits. The first four digits of a numbers are 9,9,8,7. The last three

digits are 3,5,5. The remaining digits are distinct and make the mobile number, the greatest possible number.

the remaining digits are distinct and not repeated in existed number. What are these digits?

27) Convert 12 kilograms into grams.

28) Write a mathematical operation for each of the following

a) 18 added to quotient of 16 and 8.

b) Divide the sum of 7 and 9 by difference of 9 and 6.

29) Find the common factors of 56 and 64

30) A daily wages worker and Rs 245 per day. He worked for 15 days. Then he spend Rs 25 per day for next

15 days without working. How much money was left with him after 30 days?

31) Represent 13-9 on a number line.

32) In Mussoorie, the temperature was minus 3 degree Celsius at 7:00 p.m. if the temperature dropped by 5​

Answer 1

Answer:

11 even number

12. even number

13. 5 and 7

14. odd

17. q

21. true

22 false

24 false

25 false

27 12000

Answer 2

Answer:

Step-by-step explanation:

11 even number

12. even number

13. 5 and 7

14. odd

17. q

21. true

22 false

24 false

25 false

27 12000