The first term and the common difference of the arithmetic progression 3,10,17,24,... is?
A
7 and 3
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B
3 and 7
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C
3 and 10
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D
Not defined
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Solution
The correct option is A3 and 7 The first term of the arithmetic progression 3,10,17,24,... is 3. The common difference or the difference between its consecutive terms is t2−t1=10−3=7. Also, t3−t2=17−10=7 Thus the correct answer is option 'b'.