Chapter 2: Numbers and Sequences - Online Test

Q1. In an A.P., the first term is 1 and the common difference is 4. How many terms of the A.P. must be taken for their sum to be equal to 120 ?
Answer : Option C
Explaination / Solution:


Q2. If A = 265 and B = 2 64  + 2 63 + 2 62 + … + 20 which of the following is true?
Answer : Option D
Explaination / Solution:


Q3. The next term of the sequence  is
Answer : Option B
Explaination / Solution:


Q4. If the sequence t1 , t 2,t3,... are in A.P. then the sequence t 6 , t12 , t18,... is
Answer : Option B
Explaination / Solution:
No Explaination.


Q5. The value of (13 + 2 3 + 3 3 +  + 15 3 ) − (1 + 2 + 3 +  + 15) is
Answer : Option C
Explaination / Solution: