The document Number Series Practice Question LR Notes | EduRev is a part of LR category.

All you need of LR at this link: LR

**Easy**

These questions are targeted to improve your knowledge on basic concepts, though easy questions are rare in CAT these are extremely important for conceptual understanding at foundation level

Question 1:Find out the missing term:

256, 64, 16, 4, ?

**Example 1: Find out the missing term:0, 3, 8, 15, 24, 35, 48?**

**Example 2: Find out the missing term:****Obtain the missing term B, G, K, ?****(a) N (b) P (c) M (d) L**

**Example 3: ****Find out the missing term:?, 425, 600, 825, 1100, 1425(a) 225 (b) 300 (c) 250 (d) None of these**

Question 2:Find out the missing term:

7,15, 27, ?, 63

Question 3:Find out the missing term:

1, 121, 12321, 1234321, ___?

Question 4:**Find out the missing term:**

**0.005, 0.05, ?, 5**

Question 5:Find out the missing term:

31, 32, 36, 45, ?

Question 6:Find out the missing term:

1, 5, 2, 25, 3, 125, 4, ?

Question 7:Find out the missing term:83, 82, 80, 77, ?

**Medium**

Almost 70% of questions in CAT are of Medium based questions. Though the conceptually they seem easier, trick is to solve the calculations faster & we curated problems for you to help you do problems easier.

**Example 1: Find out the missing term:****7: ****45, 40, 35, _____ which term will be the first negative term of the series?****(a) 10th term****(b) 11th term****(c) 12th term****(d) 13th term****Ans. **(b)**Solution: **The first negative term will be –5 (11th term). Hence, option (b) is the answer.

**Example 2: Find out the missing term:****1, 3, 2, 5, 3, 7, 4, 9, 5, 11, 6, ?****(a) 10 (b) 11 (c) 13 (d) 9Ans.** (c)

**Example 3: ****What is the next term in the following series?ABE, BCF, CDG, DEH, EFI, ______(a) FGK (b) FGJ (c) FGL (d) None of these**

Question 8:Find out the missing term:

1/1, 4/8, 9/27, 16/64, 25/125, ?

Question 9:Find out the missing term:

1, 4, 27, ?

Question 10:What is the next term in the following series?

ZYXWTSRQNMLK

Question 11:What is the next term in the following series?

1, 4, 3, 9, 5, 16, 7, 25, 9, 36, 11, ?

1, 4, 3, 9, 5, 16, 7, 25, 9, 36, 11, ?

Question 12:**Calculate the sum of the series**

1 + 1/4 + 1/16 + ______.

1 + 1/4 + 1/16 + ______.

Question 13:Calculate the missing term.

625, 125, ?, 5, 1

**Hard**

Around 25% of these type questions come in CAT - If your target is above 95%ile we recommend you to solve these questions as well.

**Direction for Questions ( 1-2) -**** Study the following information carefully to answer the questions given below: S Q A 5 N % T 7 B 4 # J E $ 2 T D * 1 8 H 3 U @ 9 F W © K Example 1: How many such consonants are there in the above arrangement, each of which is immediately followed by a vowel but not immediately preceded by a number?**

**Example 2: ****Which of the following is the seventh to the left of the fifteenth from the left end in the above arrangement?(a) H (b) B (c) 1 (d) 7**

Question 14:Direction for Questions: Study the following information carefully to answer the questions given below:

S Q A 5 N % T 7 B 4 # J E $ 2 T D * 1 8 H 3 U @ 9 F W © K

How many such consonants are there in the above arrangement, each of which is either immediately preceded by a vowel or immediately followed by a symbol but not both?

Question 15:The letters skipped between adjacent letters is in the order of 1, 2, 3, 4, ..... Which alternative follows this rule ?

Question 16:Which of the following will come in place of the question mark (?) in the following sequence?

16D7, 18G10, 21KI4, 25P19, ?

Offer running on EduRev: __Apply code STAYHOME200__ to get INR 200 off on our premium plan EduRev Infinity!