Advertisements
Advertisements
प्रश्न
Find four numbers in AP whose sum is 8 and the sum of whose squares is 216.
Advertisements
उत्तर
(4, 6, 8, 10) or (10, 8, 6, 4)
APPEARS IN
संबंधित प्रश्न
In an A.P., if S5 + S7 = 167 and S10=235, then find the A.P., where Sn denotes the sum of its first n terms.
The first and the last terms of an AP are 8 and 65 respectively. If the sum of all its terms is 730, find its common difference.
Check whether -150 is a term of the A.P. 11, 8, 5, 2, ....
A contract on a construction job specifies a penalty for delay of completion beyond a certain date as follows: Rs. 200 for the first day, Rs. 250 for the second day, Rs. 300 for the third day, etc., the penalty for each succeeding day being Rs. 50 more than for the preceding day. How much money does the contractor have to pay as a penalty if he has delayed the work by 30 days.
Find the sum of the following arithmetic progressions:
−26, −24, −22, …. to 36 terms
Find the sum of the first 40 positive integers divisible by 3
Find the sum of all 3-digit natural numbers, which are multiples of 11.
Which term of the AP 3,8, 13,18,…. Will be 55 more than its 20th term?
The nth term of an AP is given by (−4n + 15). Find the sum of first 20 terms of this AP?
In an A.P. 17th term is 7 more than its 10th term. Find the common difference.
Choose the correct alternative answer for the following question.
For an given A.P. a = 3.5, d = 0, n = 101, then tn = ....
In an A.P. the 10th term is 46 sum of the 5th and 7th term is 52. Find the A.P.
In a school, students decided to plant trees in and around the school to reduce air pollution. It was decided that the number of trees, that each section of each class will plant, will be double of the class in which they are studying. If there are 1 to 12 classes in the school and each class has two sections, find how many trees were planted by the students.
Write the sum of first n even natural numbers.
If the sum of first p term of an A.P. is ap2 + bp, find its common difference.
If the sum of P terms of an A.P. is q and the sum of q terms is p, then the sum of p + q terms will be
Find the sum of the first 10 multiples of 6.
The sum of first n terms of the series a, 3a, 5a, …….. is ______.
Read the following passage:
|
India is competitive manufacturing location due to the low cost of manpower and strong technical and engineering capabilities contributing to higher quality production runs. The production of TV sets in a factory increases uniformly by a fixed number every year. It produced 16000 sets in 6th year and 22600 in 9th year. |
- In which year, the production is 29,200 sets?
- Find the production in the 8th year.
OR
Find the production in first 3 years. - Find the difference of the production in 7th year and 4th year.
The sum of n terms of an A.P. is 3n2. The second term of this A.P. is ______.
