Maths
2. Find the 12th term of a G.P. whose 8th term is 192 and the common ratio is 2.
27
Oct
2. Find the 12th term of a G.P. whose 8th term is 192 and the common ratio is 2. 2. Find the 12th term of a G.P. whose 8th term is 192 and the common ratio is 2. October 27, 2021 Category: Chapter 9 - Sequences and Series , Maths , NCERT Exemplar Class 11 [...]
1. Find the 20th and nth terms of the G.P. 5/2, 5/4, 5/8, ……..
27
Oct
1. Find the 20th and nth terms of the G.P. 5/2, 5/4, 5/8, …….. ........ 1. Find the 20th and nth terms of the G.P. 5/2 5/4 5/8 October 27, 2021 Category: Chapter 9 - Sequences and Series , Maths , NCERT Exemplar Class 11 ,
18. The difference between any two consecutive interior angles of a polygon is 5°. If the smallest angle is 120° , find the number of the sides of the polygon.
27
Oct
18. The difference between any two consecutive interior angles of a polygon is 5°. If the smallest angle is 120° , find the number of the sides of the polygon. 18. The difference between any two consecutive interior angles of a polygon is 5°. If the smallest angle is 120° find the number of the [...]
17. A man starts repaying a loan as first instalment of Rs. 100. If he increases the instalment by Rs 5 every month, what amount he will pay in the 30th instalment?
27
Oct
17. A man starts repaying a loan as first instalment of Rs. 100. If he increases the instalment by Rs 5 every month, what amount he will pay in the 30th instalment? 17. A man starts repaying a loan as first instalment of Rs. 100. If he increases the instalment by Rs 5 every month [...]
16. Between 1 and 31, m numbers have been inserted in such a way that the resulting sequence is an A. P. and the ratio of 7th and (m – 1)th numbers is 5 : 9. Find the value of m.
27
Oct
16. Between 1 and 31, m numbers have been inserted in such a way that the resulting sequence is an A. P. and the ratio of 7th and (m – 1)th numbers is 5 : 9. Find the value of m. 16. Between 1 and 31 m numbers have been inserted in such a way [...]
15. If a^n + b^n/ a^n-1 + b^n-1 is the A.M. between a and b, then find the value of n.
27
Oct
15. If a^n + b^n/ a^n-1 + b^n-1 is the A.M. between a and b, then find the value of n. 15. If a^n + b^n/ a^n-1 + b^n-1 is the A.M. between a and b then find the value of n. October 27, 2021 Category: Chapter 9 - Sequences and Series , Maths , [...]
14. Insert five numbers between 8 and 26 such that the resulting sequence is an A.P.
27
Oct
14. Insert five numbers between 8 and 26 such that the resulting sequence is an A.P. 14. Insert five numbers between 8 and 26 such that the resulting sequence is an A.P. October 27, 2021 Category: Chapter 9 - Sequences and Series , Maths , NCERT Exemplar Class 11 ,
13. If the sum of n terms of an A.P. is 3n 2 + 5n and its mth term is 164, find the value of m
27
Oct
13. If the sum of n terms of an A.P. is 3n 2 + 5n and its mth term is 164, find the value of m 13. If the sum of n terms of an A.P. is 3n 2 + 5n and its mth term is 164 Find the value of m October 27, 2021 [...]
The ratio of the sums of m and n terms of an A.P. is m^2: n^2. Show that the ratio of mth and nth term is (2m – 1): (2n – 1).
27
Oct
The ratio of the sums of m and n terms of an A.P. is m^2: n^2. Show that the ratio of mth and nth term is (2m – 1): (2n – 1). The ratio of the sums of m and n terms of an A.P. is m^2: n^2. Show that the ratio of mth and [...]
11. Sum of the first p, q and r terms of an A.P. are a, b and c, respectively. Prove that
27
Oct
11. Sum of the first p, q and r terms of an A.P. are a, b and c, respectively. Prove that 11. Sum of the first p b and c`. q and r terms of an A.P. are a respectively. Prove that October 27, 2021 Category: Chapter 9 - Sequences and Series , Maths , [...]