Question
There is a numeric lock which has a 3-digit PIN. The PIN contains digits 1 to 7. There is no repetition of digits. The digits in the PIN from left to right are in decreasing order. Any two digits in the PIN differ by at least 2. How many maximum attempts does one need to find out the PIN with certainty?
More Commonsense Reasoning High Level Questions
- You are given two identical sequences in two rows: Sequence – I :8 4 6 15 52-5 236-25 Sequence – II : 5 A ...
- There are 9 cups placed on a table arranged in equal number of rows and columns out of which 6 cups contain coffee and 3 cups contain tea. In how many ways...
- A pie diagram shows the percentage distribution of proteins, water and other dry elements in the human body. Given that proteins correspond to 16% and wate...
- Which number amongst 240, 321, 418 and 812 is the smallest?
- Consider the following statements : 1. The sum of 5 consecutive integers can be 100. 2. The product of three consecutive natural numbers can be equ...
- What is the number of numbers of the form 0-XY, where X and Y are distinct non-zero digits?
- What is the value of X in the sequence 20, 10, 10, 15, 30, 75, X?
- Two friends X and Y start running and they run together for 50 m in the same direction and reach a point. X turns right and runs 60 m, while Y turns left a...
- In the English alphabet, the first 4 letters are written in opposite order; and the next 4 letters are written in opposite order and so on; and at the end...
- A Statement followed by Conclusion - I and Conclusion - II is given below. You have to take the Statement to be true even if it seems to be at variance fro...
Hey! Ask a query
Please enter email id
The email must be a valid email address.
Please enter Mobile Number
Please enter valid Mobile Number
Please enter your Doubt
Think You're Ready for RBI Grade B?
RBI Grade B 2026 Phase 1 Memory Based Paper
- 200 Questions with Detailed Solutions
- Section-wise Coverage (GA, English, Quant & Reasoning)