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How to get a number 100 by using four sevens (7’s) and a one (1)?

Question

How to get a number 100 by using four sevens (7’s) and a one (1)?

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Solution

Sure, here is the solution:

77 - 7 + 1 + 7 * 7 = 100

Step by step explanation:

  1. First, write down the number 77.
  2. Then, subtract 7 from 77, which gives you 70.
  3. Add 1 to 70, which gives you 71.
  4. Finally, multiply 7 by 7 to get 49 and add this to 71. The result is 100.

Similar Questions

1. How many numbers are there between 99 and 1000, having at least one of their digits 7?

Find the sum of first all integers between 100 and 1000 which are divisible by 7.

How many 3-digit numbers having at least one of their digits 7

7×100+5×10+3×1+4× 1001​ Write the number in standard form.

Use the given digits without repetition and make the smallest 4-digit numbers.9, 7, 4, 1

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