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निम्नलिखित प्रत्येक
प्रश्न में दिये गये चार - चार विकल्पों में से वाक्य के शुद्ध रूप का चयन कीजिये ?Solution
हमें कठिनाइयों का सामना धैर्यपूर्वक करना चाहिए।
4 boys from school A and 6 boys from school B together can set up an exhibition in 5 days, which 5 boys from school A and 10 boys from school C togethe...
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A solid sphere is melted to form 8 smaller spheres of equal radius. Find the radius ratio (small : original).
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