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Step by step text solution for How many three digit numbers are divisible by 7? by MATHS experts to help you in doubts & scoring excellent marks in Class 10 exams.
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RD SHARMA-ARITHMETIC PROGRESSIONS-All Questions
- For what value of n, are the with terms of two APs: 63, 65, 67, . . . ...
02:39
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- How many multiples of 4 lie between 10 and 250?
01:47
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- How many three digit numbers are divisible by 7?
02:12
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- Three numbers are in A.P. If the sum of these numbers be 27 and the...
02:13
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- Find the four numbers in A.P., whose sum is 50 and in which the gre...
03:21
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- Find the value of x for which (8x+4),\ (6x-2) and (2x+7) are in A.P...
01:32
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- If x+1,\ 3x and 4x+2 are in A.P., find the value of x .
01:10
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- Show that (a-b)^2,\ (a^2+b^2) and (a+b)^2 are in A.P.
01:32
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- Find the sum of 20 terms of the AP 1, 4, 7, 10,....
01:20
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- Find the sum of first n natural numbers.
01:25
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- Find the sum of all odd integers between 2 and 100 divisible by 3
03:14
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- How many terms of the series 54,51, 48,.. be taken so that their sum i...
04:37
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- Find the number of terms in the series 20 ,19 1/3,18 2/3... the sum of...
01:57
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- The sum of n, 2n, 3n terms of an A.P. are S1, S2, S3 respectively. Pro...
03:30
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- The sums of n terms of three arithmetical progressions are S1, S2and ...
03:36
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- If the sum of first m terms of an A.P. is the same as the sum of its f...
05:41
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- The ratio of the sums of m and n terms of an A.P. is m^2: n^2 .Sho...
02:45
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- A manufacturer of TV sets produced 600 sets in the third year and 700 ...
05:26
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- A contract on construction job specifies a penalty for delay of com...
02:39
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- A sum of Rs 280 is to be used to award four prizes. If each prize a...
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