a number when subtracted by 1 7 th of itself gives the same value as t | Examsbook

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Q: A number when subtracted by 1/7 th of itself gives the same value as the sum of all the angles of a triangle. What is the number?

1
420
2
210
3
70
4
35

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Answer : 2. "210"
Explanation :
Answer: B) 210 Explanation: Let the required number be 'p' We know, sum of angles in a triangle are 180 deg According to given data, p - p/7 = 180 7p - p = 180 x 7 => 6p = 1260 => p = 1260/6 = 210

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