# a.p

2,053 total views

2,053 total views Previous QuestionNext Question Let Sn denote the sum of squares of the first n odd natural numbers. If Sn = 533n, find the value of n.a. 18 b. 20c.24 d. 30 [CAT, 2011] Solution:the sum of squares of the first n odd natural numbers : If […]

1,318 total views

1,318 total views Previous QuestionNext Question Sum of First N terms of an A.P Type I, Type II, and Type III questions If the sum of 20 terms of an A.P is 780 and the first term is 20, find the 10th term. By using the formula, we learned to drive in the last post. Click here We can […]

1,445 total views, 2 views today

1,445 total views, 2 views today Previous QuestionNext Question The Sum of First N terms of an Arithmetic Progression or Arithmetic Sequence: Practical Examples with the simple method of formula derivation. Sum of First N terms of an Arithmetic Progression (A.P): Before we understand what it is and how it is done, we better understand how the sum of […]

915 total views

915 total views Previous QuestionNext Question Arithmetic Progression or Arithmetic Sequence: Practical Examples (Type III and Type IV) Arithmetic Progression or Arithmetic Sequence with practical examples: Practical Examples of A.P type III and type IV Type III How many two digits number are divisible by 4? Solution: Note: A division is just the opposite of subtraction. If you divide 10/2 and get 5 as […]

1,271 total views

1,271 total views Previous QuestionNext Question Arithmetic Progression or Arithmetic Sequence: Practical Examples (Type I and Type II) Arithmetic Progression or Arithmetic Sequence with practical examples: Practical Examples of A.P (Type 1): If the 4th term of an A.P is 8 and the 7th term is 14, then find the three terms of this A.P. Solution: For the 4th term, we […]

2,182 total views

2,182 total views Previous QuestionNext Question Arithmetic Progression or Arithmetic Sequence Understanding Arithmetic Progression or Arithmetic Sequence with clarity: In Mathematics, a sequence is a list of ordered numbers. This means each number in this list has an order.Ex: 1, 2, 3…..N.1 is the first number; 2 is the second number; 3 is the third number. In other […]

3,083 total views

3,083 total views Previous QuestionNext Question The number of common terms in the two sequences 17, 21, 25, …, 417 and 16, 21, 26, …, 466 is a. 19 b.20 c.77 d.78 [CAT, 2008] Solution: Arithmetic Sequence /Arithmetic Progression (A.P) Firstly understand that a sequence is a list of numbers that […]

7,297 total views

7,297 total views Previous QuestionNext Question If sum of the first 11 terms of arithmetic progression equals that of the first 19 terms, then what is the sum of the first 30 terms? [CAT, 2004]a. 0 b. -1 c.1 d. Not Unique Solution: Arithmetic Sequence or Arithmetic Progression (A.P) Firstly understand that a sequence is […]