How many numbers less than 200 are multiples of both 5 and 6?
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What is the sum of the first 11 terms of an arithmetic progression if the first term is -31 and last term is 29?
What is the sum of the first 13 terms of an arithmetic progression if the first term is -10 and last term is 26?
Which value among 53, 64,126,27612 is the largest?
A number is greater than twice its reciprocal by 31/4. Find the number.
The 3rd and 7th term of an arithmetic progression are -9 and 11 respectively. What is the 15th term?
What will come in the place of the question mark (?) in the following number series?305, 338, 404, 503, 635 , (?)
The sum of a non-zero number and thrice its reciprocal is 52/7. Find the number.