What is the sum of the first 11 terms of an arithmetic progression if the 4th term is 11 and the 7th term is -4?
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What is the sum of the first 12 terms of an arithmetic progression if the first term is -19 and last term is 36?
What is the largest 4 digit number that is exactly divisible by 93?
Which of the following numbers is not a prime number?
If the sum of a number and its reciprocal be 2, then the number is
What is the sum of the first 13 terms of an arithmetic progression if the first term is -10 and last term is 26?
What is the sum of all prime numbers between 60 and 80?
Which of the following can't be the unit's digit of a perfect square?