Question

Q-4 Solve the following (Any 5) 2 marks each. [10]

1. H.C.F.of 10 and 40

2. 248 + (-535)

3. (-123) + 29 + 123

4. Check 2367 is divisible by 3 or not.

5. Write two equivalent fractions of 3

4

6. Add 2

5

to

3

5​

Answer 1

Answer:

HCF of 10 and 40 is 10

10=10*1

40=10*4

2)248+(-535)

248-535

-287

3)(-123) +29 +123

-123 and +123 gets cancel

the answer is 29

4) as per divisibility rule of 3

2+3+6+7=18

here 18 is divisible by 3

so the. number 2367 is divisible by 3

5) the two equivalent fractions of 3/4 are 6/8 and 12/16

6) 2/5+3/5

2+3/5

5/5

1