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The lengths of trains A and B differ by 150 m and the length of train C is 450 m. Train B overtakes train C in 80 seconds and then crosses train A in opposite direction in 41.25 seconds. Find the speed of train C.

ट्रेन A और B की लंबाई में 150 मीटर का अंतर है और ट्रेन c की लंबाई 450 मीटर है। ट्रेन B, ट्रेन C को 80 सेकंड में पार करती है और फिर विपरीत दिशा में ट्रेन A को 41.25 सेकंड में पार करती है। ट्रेन c की गति ज्ञात कीजिए।
The radius of a circle is equal to the length of a rectangle. The area of the rectangle is (3/22) of the area of the circle. If the difference between their perimeters is 120 cm, find the perimeter of a square whose side is equal to the breadth of the rectangle.

एक वृत्त की त्रिज्या एक आयत की लंबाई के बराबर है। आयत का क्षेत्रफल, वृत्त के क्षेत्रफल का (3/22) भाग है। यदि दोनों आकृतियों की परिधियों के बीच का अंतर 120 सेमी है, तो उस वर्ग की परिधि ज्ञात कीजिए जिसकी भुजा आयत की चौड़ाई के बराबर है।
A fruit seller sells apples. Out of the total harvest, 20% of the apples got bruised during sorting and were discarded. Of the remaining apples, the seller marks up x% of them at 30% above the cost price, while the rest are marked at 5% above the cost price and sold them at the marked price. After selling all the apples, his total revenue equals his total cost. Find the ratio of the number of apples marked up by 30% to those marked up by 5%.

एक फल विक्रेता सेब बेचता है। कुल उपज में से, 20% सेब छंटाई के दौरान खराब हो गए और फेंक दिए गए। शेष सेबों में से, विक्रेता ने x% सेबों पर क्रय मूल्य से 30% अधिक मूल्य अंकित किया, जबकि शेष सेबों पर क्रय मूल्य से 5% अधिक मूल्य अंकित किया और उन्हें अंकित मूल्य पर बेच दिया। सभी सेब बेचने के बाद, उसकी कुल आय उसकी कुल लागत के बराबर हो जाती है। 30% अधिक मूल्य अंकित सेबों की संख्या और 5% अधिक मूल्य अंकित सेबों की संख्या का अनुपात ज्ञात कीजिए।
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N is a two-digit number which leaves the same positive remainder on division by 2 and 49.

Quantity I: Find the number of factors of N.

Quantity II: What will be the remainder on division of N by a single digit prime number.

N एक दो अंकों की संख्या है जिसे 2 और से 2 और 49 से भाग देने पर समान धनात्मक शेषफल प्राप्त होता है।

मात्रा ।: N के गुणनखंडों की संख्या ज्ञात कीजिए।

मात्रा II: N को एक अंक वाली अभाज्य संख्या से भाग देने पर शेषफल क्या होगा?
M and N are approaching P at a speed of 5 km/hr and x km/hr. At the same time, If N is moving away from M at the speed of 3 km/hr, find the value of X.

M और N क्रमशः 5 किमी/घंटा और x किमी/घंटा की गति से P की ओर बढ़ रहे हैं। उसी समय, यदि N, M से 3 किमी/घंटा की गति से दूर जा रहा है, तो X का मान जात कीजिए।
Kiran planned to cover a stretch of 480 km in 12 hours with a certain speed. If she gets to know that the traffic will reduce her speed by 25% how much earlier should she start for the journey?
A, B, and C are moving along a straight line. Relative to C, A's speed is 60 km/h and B's speed is 20 km/h. If C reverses its direction, then A's speed relative to C becomes (60-x) km/h, and B's speed relative to C becomes (20-x) km/h. What is the speed of B relative to A?
2025/10/21 18:13:19
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