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, 66 kg and 35 kg is:

A51.2

B50.2

C49.2

D48.2

Answer:

C. 49.2

Read Explanation:

To find the average weight, use the formula:

Average=Sum of all weightsNumber of members\text{Average} = \frac{\text{Sum of all weights}}{\text{Number of members}}

Step 1: Find the total weight

40+49+56+66+35=246 kg40 + 49 + 56 + 66 + 35 = 246 \text{ kg}

Step 2: Divide by number of members (5)

2465=49.2\frac{246}{5} = 49.2

The average weight of the family is 49.2 kg.


Related Questions:

The average weight of three friends Ram, Ramesh and Shyam is 76 kg. Somesh joins them and the average weight of the four friends becomes 74 kg. If Mohan, whose weight is 2 kg more than that of Somesh replaces Ramesh, the average weight of Ram, Shyam, Somesh and Mohan becomes 68 kg. Find the weight of Ramesh.
ഒരു ക്ലാസ്സിലെ 20 കുട്ടികളുടെ ശരാശരി വയസ്സ് 10. ടിച്ചറുടെ വയസ്സും കൂടി കൂട്ടി യാൽ ക്ലാസ്സിലെ ശരാശരി വയസ്സ് 2 കൂടും. ടീച്ചറുടെ വയസ്സെത്ര ?
The average of first 121 odd natural numbers, is:
If the average of two numbers is 26 and one of them is 12, then find the other number.
തുടർച്ചയായ 5 ഇരട്ട സംഖ്യകളുടെ ശരാശരി 60 എങ്കിൽ അതിലെ ഏറ്റവും ചെറിയ സംഖ്യ ഏത്?