Question 51
A gift box consists of 10 rings. The average weight of the first 4 rings is 37 grams and the average weight of the remaining 6 rings is 38 grams. Find the average weight of the total rings.(in grams)
Solution
Average weight of first 4 rings = 37 grams
=> Weight of first 4 rings = $$37\times4=148$$ grams
Similarly, weight of remaining 6 rings = $$38\times6=228$$ grams
$$\therefore$$ Average weight of the total rings = $$\frac{148+228}{10}=37.6$$ grams
=> Ans - (B)
Get AI Help
Create a FREE account and get:
- Download RRB Study Material PDF
- 45+ RRB previous papers with solutions PDF
- 300+ Online RRB Tests for Free
Book Free CAT Mentorship
Get personalized CAT strategy from a 99%iler
500+ students mentored
OTP Verification
Enter the 6-digit code sent to your phone
Booking Summary
Session:Free CAT Mentorship
Phone:
Date:
Time:
Enter OTP
Didn't receive the OTP?
