Question

plz answer all these (click on photo to see it full) ​

Answer 1

Answer:

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Step-by-step explanation:

7) LCM× HCF= Product of the two numbers

=> 54× HCF= 6×27

=> HCF= 3

8a) Rs 4= 400 paise

400 / 50 = 8

So, there are 8 50 paise coins in Rs.4

8b) Rs 5.09= 509 paise

9) To be divisible by 9, the sum of the digits must be divisible by 9.

Now, 8+6= 14

Nearest multiple of 9 is 18.

Therefore, the missing number is 4.

10)a) True

b) True

c) True