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If the ratio of the sum of the first n terms of two A.Ps is (7n + 1) : (4n + 27), then find the ratio of their 9th terms. Mathematics CBSE class 10 20171 AnswerIf the ratio of sum of the first m and n terms of a n AP is m 2 : n 2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1). CBSE Mathematics1 AnswerIf the sum of first 7 terms of an A.P. is 49 and t hat of its first 17 terms is 289, find the sum of first n terms of the A.P. CBSE Mathematics1 AnswerIf the heights of two cylinders are in the ratio of 4 : 3 and their radii are in the ratio of 3 : 4 then what is the ratio of their volumes? CBSE class 9 mathematics 1 AnswerFind the ratio of the following:-Mathematics-cbse-std 6th-Ratio and Proportion1 AnswerFind the ratio of 6 to 30.-Mathematics-cbse-std 6th-Ratio and Proportion6 AnswerThe ratio of total deposits that a commercial bank has to keep with Reserve Bank of India is called:( choose the correct alternative) - CBSE Economics class 121 AnswerIn an A.P., the sum of its first ten terms is – 80. and the sum of its next ten terms is – 280. Find the A.P. CBSE Mathematics1 AnswerIn an A.P., fhe sum of first ten terms is –150 and the sum of its next ten terms is –550. Find the A.P. CBSE Mathematics1 AnswerIn an A.P., the sum of its first ten terms is – 80. and the sum of its next ten terms is – 280. Find the A.P. CBSE Mathematics1 AnswerDetermine if the following ratios form a proportion. Also, write the middle terms and extreme terms where the ratios form a proportion.-Mathematics-cbse-std 6th-Ratio and Proportion1 AnswerFor what value of n, are the nth terms of two A.Ps 63, 65, 67,.... and 3, 10,17,..... equal? Mathematics CBSE class 10 20171 AnswerHow many terms of an A.P. 9, 17, 25, .... must be taken to give a sum of 636? Mathematics CBSE class 10 20171 AnswerThe sum of first n terms of an AP is 3n^2 + 4n. Find the 25th term of this AP. Mathematics CBSE class 10 20131 AnswerIn what ratio does the point (24/11,y) divides the line segment joining the points P(2, -2) and Q(3, 7)? Also find the value of y. Mathematics CBSE class 10 20170 AnswerDistances travelled by Hamid and Akhtar in an hour are 9 km and 12 km. Find the ratio of speed of Hamid to the speed of Akhtar-Mathematics-cbse-std 6th-Ratio and Proportion1 AnswerDivide 20 pens between Sheela and Sangeeta in the ratio of 3 : 2.-Mathematics-cbse-std 6th-Ratio and Proportion1 AnswerThere are 102 teachers in a school of 3300 students. Find the ratio of the number of teachers to the number of students.-Mathematics-cbse-std 6th-Ratio and Proportion1 AnswerMother wants to divide Rs 36 between her daughters Shreya and Bhoomika in the ratio of their ages. If age of Shreya is 15 years and age of Bhoomika is 12 years, find how much Shreya and Bhoomika will get?.-Mathematics-cbse-std 6th-Ratio and Proportion0 AnswerIf the sum of the first n terms of an AP is 1/2(3n^2 + 7n), then find its n th term. Hence write 20th term? Mathematics CBSE class 10 20151 Answer