Recent questions tagged airthmetic progressions

+3 votes

1 answer

Two friends A and B are 30 km apart and they start simultaneously on motorcycles to meet each other.

asked Apr 7, 2019 in JEE by kratos

+2 votes

1 answer

4^th term of an A.P is equal to 3 times its first term and 7^th term exceeds twice the 3^rd time by I. Find the first term and the common difference.

asked Apr 6, 2019 in Class 10 by kratos

+1 vote

1 answer

If x, y, z, w are positive real numbers such that x, y, z, w form an increasing A.P. and x, y, w form an increasing G.P. then w/x =?

asked Apr 6, 2019 in Mathematics by kratos

+3 votes

1 answer

If x be the first term, y be the nth term and p be the product of n terms of a G.P., then the value of p^2 will be

asked Apr 6, 2019 in Class 10 by kratos

+3 votes

1 answer

The interior angles of a polygon are in arithmetic progression. The smallest angle is 120° and the common difference is 5°.

asked Apr 5, 2019 in JEE by kratos

+2 votes

1 answer

Which term of the AP 21, 42, 63, 84, … is 210? (a) 9th (b) 10th (c) 11th (d) 12th

asked Apr 4, 2019 in Class 10 by kratos

+3 votes

1 answer

Find the 37th term of the AP 6, 7 3/4, 9 1/2, 11 1/4, ........

asked Apr 4, 2019 in Class 10 by kratos

+3 votes

1 answer

How many terms are there in the G.P. 5, 10, 20, 40,... 1280?

asked Apr 4, 2019 in Class 10 by kratos

+3 votes

1 answer

Find the 25th term of the sequence 50, 45, 40, ...

asked Mar 31, 2019 in Class 10 by kratos

+3 votes

1 answer

Find the sum of 20 terms of the series 3 + 6 + 10 + 15 + …..

asked Mar 27, 2019 in Mathematics by kratos

+2 votes

1 answer

Show that the progressions given below is an AP. Find the first term, common difference and next term. 11, 6, 1, -4, ..........

asked Mar 23, 2019 in Class 10 by kratos

+3 votes

1 answer

The sum to 17 terms of the series (3/1^2 x 2^2) + (5/2^2 x 3^2) +(7/3^2 x 4^2) +....is

asked Mar 22, 2019 in Mathematics by kratos

+2 votes

1 answer

the sum of three consecutive terms in an AP is 6 & their product is -120 find the three terms

asked Mar 21, 2019 in JEE by kratos

+2 votes

1 answer

Find the 12th term of a G.P. whose 8th term is 192 and the common ratio is 2.

asked Mar 19, 2019 in Class 11 by kratos

+3 votes

1 answer

Find the sum of the integers between 100 and 300 that are multiples of 7.

asked Mar 18, 2019 in Class 10 by kratos

+1 vote

1 answer

In an AP if a = 1, an = 20 and Sn = 399, then n is (A) 19 (B) 21 (C) 38 (D) 42

asked Mar 14, 2019 in Class 10 by kratos

+2 votes

1 answer

0.4 + 0.44 + 0.444 + ... to 2n terms = _____

asked Mar 11, 2019 in Class 11 by kratos

+2 votes

1 answer

A positive number is divided into two parts such that the sum of the squares of the two parts is 20

asked Mar 9, 2019 in Class 10 by kratos

+2 votes

1 answer

Amit saves certain amount every month in a specific way. In the first month he saves Rs. 200, in the second month Rs. 250,

asked Mar 9, 2019 in Class 11 by kratos

+2 votes

1 answer

Find the value of the middle most term (*) of the AP : –11, –7, –3,..., 49.

asked Mar 3, 2019 in Class 10 by kratos

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