निम्नलिखित मुहावरे

The sum of three numbers is 226. If the ratio of the first to the second is 4:5 and that of second to the third is 7: 10 then the second number is?

The first odd number is 1, second is 3, third is 5 and fourth is 7 and so on, then find the 188^th odd number?

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

The mode and the mean of grouped data are 25 and 29.5 respectively. Find the median, correct to two places of decimal, using empirical relation.

In an A.P a9 = 40, then find sum of first 17 terms of that A.P.