एक विद्यार्थी ने (1) से (175) तक संख्याएं जोड़ीं और फिर (1) से (125) तक का योग घटाया। परिणाम क्या होगा?

A student added numbers from (1) to (175) and then subtracted the sum from (1) to (125). What will be the result?

Author: Muft Shiksha Editorial Team Published: Updated:
Explanation opens after your attempt
Correct Answer

C. (7525)

Step 1

Concept

The result is \(S_{175}-S_{125}=15400-7875=7525\). This is the sum from (126) to (175).

Step 2

Why this answer is correct

The correct answer is C. (7525). The result is \(S_{175}-S_{125}=15400-7875=7525\). This is the sum from (126) to (175).

Step 3

Exam Tip

परिणाम \(S_{175}-S_{125}=15400-7875=7525\) है। यह (126) से (175) तक का योग है।

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Mathematics Answer, Explanation and Revision Hints

एक विद्यार्थी ने (1) से (175) तक संख्याएं जोड़ीं और फिर (1) से (125) तक का योग घटाया। परिणाम क्या होगा? / A student added numbers from (1) to (175) and then subtracted the sum from (1) to (125). What will be the result?

Correct Answer: C. (7525). Explanation: परिणाम \(S_{175}-S_{125}=15400-7875=7525\) है। यह (126) से (175) तक का योग है। / The result is \(S_{175}-S_{125}=15400-7875=7525\). This is the sum from (126) to (175).

Which concept should I revise for this Mathematics MCQ?

The result is \(S_{175}-S_{125}=15400-7875=7525\). This is the sum from (126) to (175).

What exam hint can help solve this Mathematics question?

परिणाम \(S_{175}-S_{125}=15400-7875=7525\) है। यह (126) से (175) तक का योग है।