Concept-wise Practice
train speed MCQ Questions for Class 10
train speed se related questions ko ek jagah revise karein. Har question me bilingual content, answer feedback aur explanation available hai.
Practice Questions
1 questions tagged with train speed.
एक ट्रेन (240,किमी) चलती है। गति (10,किमी/घंटा) बढ़ाने पर समय (2,घंटे) कम हो जाता है। मूल गति क्या थी?
A train travels (240,km). When its speed is increased by (10,km/h), the time decreases by (2,hours). What was the original speed?
Explanation opens after your attempt
Correct Answer
B. \((30,\text{किमी\)/घंटा}) / (30,km / h)
Step 1
Concept
If the speed is (x), then \(\frac{240}{x}-\frac{240}{x+10}=2\). Solving gives (x=30).
Step 2
Why this answer is correct
The correct answer is B. (30,किमी / घंटा) / (30,km / h\(). If the speed is (x), then (\frac{240}{x}-\frac{240}{x+10}=2). Solving gives (x=30).\)
Step 3
Exam Tip
यदि गति (x) है तो \(\frac{240}{x}-\frac{240}{x+10}=2\)। हल करने पर (x=30) मिलता है।
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