The minimum value of 77 sin θ + 36cosθ

The sum of three numbers in AP is 21, and their product is 315. Find the numbers.

The 11^th term of an AP is 80 less than the first term. If the second term is 88, find the third term.

what is the mean of given numbers 25, 15, 12, 23, 15,

The fourth term of an arithmetic progression is 6. Then the sum of first seven terms is:

If the median and mode of some observations is 5 and 9, respectively, then find the mean of those observations.

The sum to n terms of the series 1 + 1 + 3 + 1 + 3 + 5 + 1 + 3 + 5 + 7 …………………… is

‘479385A267’ is ten-digit number which is divisible by 9, what is the value of ‘A’?

If a, b, c are in geometric progression and a + b + c = 14, a² + b² + c² = 84, find a, b, c.