Challenger App

No.1 PSC Learning App

1M+ Downloads
The average weight of a family of five members (in kg) whose weights are 40 kg, 49 kg, 56 kg, 65 kg and 37 kg is:

A51.4

B50.4

C48.4

D49.4

Answer:

D. 49.4

Read Explanation:

First find the total weight:

(40 + 49 + 56 + 65 + 37 = 247) kg

Now calculate the average:

Average=2475=49.4\text{Average} = \frac{247}{5} = 49.4

Answer: 49.4 kg


Related Questions:

A container holds a mixture of three liquids A, B, and C in ratio 2: 3: 5. If 6 liters of liquid A, 12 liters of liquid B, and a certain amount of liquid C are added to the container, the new ratio of liquids A, B, and C becomes 3: 5: 8. Find the quantity (in liters) of liquid C added.
ഒരു ത്രികോണത്തിലെ കോണുകൾ 1 : 3 : 5 എന്ന അംശബന്ധത്തിൽ ആയാൽ ഏറ്റവുംചെറിയ കോണിന്റെ അളവെത്ര?
A retailer allows a trade discount of 25% and a further discount of 8% on the marked price of the products, if paid along with his shop's membership card. He makes a net profit of 15% on the cost. By what percentage are the products marked up by him?
5x + 15 : 8x + 16 = 2 : 3 ആയാൽ 'x'- ന്ടെ വില എന്ത് ?
രണ്ട് സംഖ്യകളുടെ ആകെത്തുക, വ്യത്യാസം, ഗുണനം എന്നിവ 5 :1 : 30 എന്ന അനുപാതത്തി ലാണ്. സംഖ്യകളുടെ ഗുണനം കണ്ടെത്തുക.