Math, asked by selvarajshanmugam75, 10 months ago

I am less than half of 27. If you multiply me by 10 I become a whole number. The difference between me and the number 10 is less than 3. If you round me to the nearest whole number, I round up not down. Who am I?​​

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Answers

Answered by squeen123
1

Answer:

7.5

Step-by-step explanation:

Hint 1:

I am less than half of 27.

⇒ 27 ÷ 2 = 13.5

⇒ The number is less than 13.5

⇒ Assumed 6.5 (Random guess)

Hint 2:

If you multiply me by 10 I become a whole number

⇒ it is a decimal number

⇒ 6.5 x 2 = 13

⇒ 13 is a whole number

⇒ Condition fulfilled

⇒ Assumed the number is still 6.5

Hint 3:

The difference between me and the number 10 is less than 3

⇒ Difference of 10 and 6.5 is 3.5 which is greater than 3.

⇒ Increase the number to be 7.5 so that the difference is 2.5 which is less than 3

⇒ Condition fulfilled

⇒ Assumed the number is 7.5

Hint 4:

If you round me to the nearest whole number, I round up not down

⇒ 7.5 when rounded is 8

⇒ It was rounds up

⇒ Condition fulfilled

⇒ Assumed the number is 7.5

Answer: One of the many possible answers is 7.5

Read more on Brainly.in - https://brainly.in/question/13385591#readmore

Answered by mutholiar
0

Answer:

7.5

Step-by-step explanation:

Hint 1:

I am less than half of 27.

⇒ 27 ÷ 2 = 13.5

⇒ The number is less than 13.5

⇒ Assumed 6.5 (Random guess)

Hint 2:

If you multiply me by 10 I become a whole number

⇒ it is a decimal number

⇒ 6.5 x 2 = 13

⇒ 13 is a whole number

⇒ Condition fulfilled

⇒ Assumed the number is still 6.5

Hint 3:

The difference between me and the number 10 is less than 3

⇒ Difference of 10 and 6.5 is 3.5 which is greater than 3.

⇒ Increase the number to be 7.5 so that the difference is 2.5 which is less than 3

⇒ Condition fulfilled

⇒ Assumed the number is 7.5

Hint 4:

If you round me to the nearest whole number, I round up not down

⇒ 7.5 when rounded is 8

⇒ It was rounds up

⇒ Condition fulfilled

⇒ Assumed the number is 7.5

Answer: One of the many possible answers is 7.5

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