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  1. Courses
  2. Programming
  3. Math
Go To Problems

Level 2

Math

Important tutorials

1. Math Introduction
View Tutorial
2. Factorization
View Tutorial
3. Base Number System
View Tutorial
4. Unary Number System
View Tutorial
5. Binary Number System
View Tutorial
6. Base Conversions For Base N
View Tutorial

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Primers
MATH_BUG01
MATH_BUG02
Examples
Verify Prime
Prime Numbers
Binary Representation
All Factors
Sample Question

Math Problems

Base conversion
Problem Score Companies Time Status
Excel Column Number 175
Amazon
23:19
Excel Column Title 175
Amazon
41:11
Digit op
Problem Score Companies Time Status
Palindrome Integer 200
HCL
17:28
Reverse integer 200
HCLBloomberg
28:36
Next Smallest Palindrome! 400
grofers
56:10
Number encoding
Problem Score Companies Time Status
Next Similar Number 200
Amazon
54:16
Rearrange Array 250
49:03
Array dp
Problem Score Companies Time Status
Numbers of length N and value less than K 200
89:53
Combinatorics
Problem Score Companies Time Status
City Tour 300
60:40
Grid Unique Paths 375
AmazonAdobe
32:35

Additional Practice

Problem Score Companies Time Status
K-th Permutation 300
Amazon
62:51
Divisible by 60 200
Flipkart
20:16
Powerful Divisors 300
lenskart
54:39
Addition without Summation 200
Adobe
17:04
Highest Score 300
Goldman Sachs
25:03
Sum of 7's Multiple 200
Accenture
22:57
Find Last Digit 200
Accenture
33:46
Last digit K count 200
Accenture
25:02
Digital Root 200
Accenture
10:39
Number of Sundays 200
TCS
20:14
Product of Digits 150
TCS
7:29
Round Table 150
TCS
20:15
Odd Even Rule 150
TCS
8:54
Armstrong Number 200
TCS
9:13
Leap Year 100
TCS
7:22
Lowest Common Multiple (LCM) 100
Cognizant
14:21
Which Season? 100
Cognizant
8:05
Socks Pair 100
Wipro
10:03
Two Stores 150
Wipro
32:50
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