What is the value of 2 consecutive natural numbers, sum of whose squares is 145?
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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 sum of the first 13 terms of an arithmetic progression if the first term is -10 and last term is 26?
If the sum of a number and its reciprocal be 2, then the number is
What is the largest 4 digit number that is exactly divisible by 93?
Which of the following numbers is not a prime number?
The co-ordinates of the centroid of a triangle ABC are (-1,-2) what are the co-ordinates of vertex C, if co-ordinates of A and B are (6,-4) and (-2,2) respectively?
Which of the following can't be the unit's digit of a perfect square?