Mathematics Answer, Explanation and Revision Hints
यदि (\frac{(n+1)!+n!}{(n-1)!}=120) है तो (n) का मान क्या है? / If (\frac{(n+1)!+n!}{(n-1)!}=120) then what is the value of (n)?
Correct Answer: C. (10). Explanation: यह (n(n+2)=120) देता है। \(10\times12=120\) से (n=10) मिलता है। / This gives (n(n+2)=120). From \(10\times12=120\), (n=10).
Login to view answers
Use Google login or mobile OTP. Admin can block users and control login providers.
Privacy preferences
Hum essential cookies/session ka use login, class selection aur security ke liye karte hain. Analytics, marketing aur personalized ads optional hain.