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नमस्कार दोस्तों, मैं सुमित लकड़ा हूं "Problems Solved" में आपका स्वागत है, इस चैनल का उद्देश्य लाखों छात्रों तक उनकी गणित और भौतिकी की समस्याओं को हल करने में मदद करना है। मैं छात्र समुदाय के लाभ के लिए वीडियो बनाता रहूंगा। Hello friends, I am Sumit Lakra Welcome to "Problems Solved", The intention of this channel is to reach out to millions of students to help them resolve their mathematics and physics problems. I will keep on making the videos for the benefit of student community.
Latest videos
Let a=î+4ĵ+2k̂, b=3î-2ĵ+7k̂ and c=2î-ĵ+4k̂. Find a vector d which is perpendicular to both a
8 views · 07/26/2026
One card is drawn from a weel-shuffled deck of 52 cards. Find the probability of getting
4 views · 07/26/2026
A die is thrown once. Find the probability of getting (i) a prime number; (ii) a number lying betwee
10 views · 07/25/2026
A game of chance consists of spinning an arrow which comes to rest pointing at one of the numbers
9 views · 07/24/2026
Show that the direction cosines of a vector equally inclined to the axes OX OY and OZ are ±
16 views · 07/23/2026
Gopi buys a fish from a shop for his aquarium. The shopkeeper takes out one fish at random from a
8 views · 07/23/2026
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