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A person can hits a target 4 out of 7 shots. If he fires 10 shots what r probability that he hits the target twice.

math salybus

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rrc group d questions paper Hindi me chaiya

[" Two types of rice costing Rs."38" per "kg" and Rs.42per kg are mixed in equal quantities and sold "],[" at Rs."45" per kg.Find the gain per cent."]

I want to know formula

i am not able to learn the word problem or chapter question in quant section.what i should to be good in chapter questions in quant section?

121 81 49
100 64 36
15. 16. 25
? 31 41

in an examination,35% of total students failed in Hindi, 45% failed in English and 20% in both. find the percentage of those who passed in both the subjects.

520of 40%