Question
Easy
If x is the smallest number which is to be subtracted from 2605 to make it a perfect square, then the value of (4x +7) is :
1
31
2
11
3
23
4
27
Question Details
Time to Solve: 12
Exam: CTET
Level/Paper: CTET_P2
Chapter: Power & Roots
Topic: Square Root & Cube Roots
Correct Answer
Option C
Explanation
To determine the smallest number \( x \) that needs to be subtracted from 2605 to make it a perfect square, we first need to find the nearest perfect square less than 2605. 1. Finding the nearest perfect square: - Calculate the square root of 2605: \(\sqrt{2605} \approx 51.04\). - The nearest whole number less than 51.04 is 51. - Calculate the square of 51: \(51^2 = 2601\). 2. **DetermineтАжRead More
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