EASY
JEE Advanced
IMPORTANT
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The sum of all two-digit numbers which when divided by , yield unity as remainder, is
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Important Questions on Sequence and Series
EASY
JEE Advanced
IMPORTANT
The sum of numbers of three digits which are divisible by , is
EASY
JEE Advanced
IMPORTANT
The sum of all odd numbers of four digits which are divisible by , is
MEDIUM
JEE Advanced
IMPORTANT
The sum of positive terms of the series is
MEDIUM
JEE Advanced
IMPORTANT
The maximum sum of an is
MEDIUM
JEE Advanced
IMPORTANT
A man arranges to pay off a debt of by annual instalments which are in . When of the instalments are paid, he dies leaving one-third of the debt unpaid. The value of instalment is
MEDIUM
JEE Advanced
IMPORTANT
A polygon has sides, the lengths of which starting from the smallest side are in . If the perimeter of the polygon is and the length of the largest side times that of the smallest, then the length of the smallest side and the common difference of an are
EASY
JEE Advanced
IMPORTANT
A club consists of members whose ages are in , the common difference being months. If the youngest member of the club is just years old and the sum of the ages of all the members is years, then the number of members in the club is
EASY
JEE Advanced
IMPORTANT
The sum of first terms of the series is , then is equal to
