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How many 3 digit numbers are divisible by 7?
- a)125
- b)126
- c)127
- d)128
Correct answer is option 'D'. Can you explain this answer?
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Verified Answer
How many 3 digit numbers are divisible by 7?a)125b)126c)127d)128Correc...
3 digits numbers divisible by 7 are: 105, 112, 119, ……, 994
This is an arithmetic progression series in which first term, a = 105, difference, d = 7 and last term Tn = 994
⇒ Tn = a + (n – 1) × d
⇒ 994 = 105 + (n – 1) × 7
⇒ (n – 1) × 7 = 889
⇒ n – 1 = 127
∴ n = 128 three digits numbers are divisible by 7
This is an arithmetic progression series in which first term, a = 105, difference, d = 7 and last term Tn = 994
⇒ Tn = a + (n – 1) × d
⇒ 994 = 105 + (n – 1) × 7
⇒ (n – 1) × 7 = 889
⇒ n – 1 = 127
∴ n = 128 three digits numbers are divisible by 7
Most Upvoted Answer
How many 3 digit numbers are divisible by 7?a)125b)126c)127d)128Correc...
3 digits numbers divisible by 7 are: 105, 112, 119, ……, 994
This is an arithmetic progression series in which first term, a = 105, difference, d = 7 and last term Tn = 994
⇒ Tn = a + (n – 1) × d
⇒ 994 = 105 + (n – 1) × 7
⇒ (n – 1) × 7 = 889
⇒ n – 1 = 127
∴ n = 128 three digits numbers are divisible by 7
This is an arithmetic progression series in which first term, a = 105, difference, d = 7 and last term Tn = 994
⇒ Tn = a + (n – 1) × d
⇒ 994 = 105 + (n – 1) × 7
⇒ (n – 1) × 7 = 889
⇒ n – 1 = 127
∴ n = 128 three digits numbers are divisible by 7
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Community Answer
How many 3 digit numbers are divisible by 7?a)125b)126c)127d)128Correc...
3 digits numbers divisible by 7 are: 105, 112, 119, ……, 994
This is an arithmetic progression series in which first term, a = 105, difference, d = 7 and last term Tn = 994
⇒ Tn = a + (n – 1) × d
⇒ 994 = 105 + (n – 1) × 7
⇒ (n – 1) × 7 = 889
⇒ n – 1 = 127
∴ n = 128 three digits numbers are divisible by 7
This is an arithmetic progression series in which first term, a = 105, difference, d = 7 and last term Tn = 994
⇒ Tn = a + (n – 1) × d
⇒ 994 = 105 + (n – 1) × 7
⇒ (n – 1) × 7 = 889
⇒ n – 1 = 127
∴ n = 128 three digits numbers are divisible by 7
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How many 3 digit numbers are divisible by 7?a)125b)126c)127d)128Correct answer is option 'D'. Can you explain this answer?
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How many 3 digit numbers are divisible by 7?a)125b)126c)127d)128Correct answer is option 'D'. Can you explain this answer? for SSC 2024 is part of SSC preparation. The Question and answers have been prepared according to the SSC exam syllabus. Information about How many 3 digit numbers are divisible by 7?a)125b)126c)127d)128Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for SSC 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for How many 3 digit numbers are divisible by 7?a)125b)126c)127d)128Correct answer is option 'D'. Can you explain this answer?.
How many 3 digit numbers are divisible by 7?a)125b)126c)127d)128Correct answer is option 'D'. Can you explain this answer? for SSC 2024 is part of SSC preparation. The Question and answers have been prepared according to the SSC exam syllabus. Information about How many 3 digit numbers are divisible by 7?a)125b)126c)127d)128Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for SSC 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for How many 3 digit numbers are divisible by 7?a)125b)126c)127d)128Correct answer is option 'D'. Can you explain this answer?.
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