Reference : Average
Q1. A company has 5 employees with salaries: ₹30,000, ₹45,000, ₹50,000, ₹60,000, and ₹75,000. If the employees work 20, 30, 40, 50, and 60 hours per week respectively, what is the weighted average salary per hour
₹1,650
₹1,350
₹1,500
₹1,200
Q2. Three cities have populations of 50,000, 75,000, and 100,000. Their average income per capita is ₹30,000, ₹40,000, and ₹50,000 respectively. What is the overall weighted average income
₹45,000
₹43,000
₹44,000
₹42,000
Q3. A cyclist travels first 20 km at 10 km/hr, next 30 km at 15 km/hr, and last 50 km at 25 km/hr. Calculate the average speed for the entire journey
19.23 km/hr
17.45 km/hr
18.52 km/hr
16.36 km/hr
Q4. Find the Root Mean Square (RMS) of the numbers 3, 4, and 5
5.5
4.5
5
4
Q5. A stock's closing prices for 5 days are: ₹100, ₹110, ₹105, ₹115, ₹120. What is the 5-day cumulative moving average
₹117
₹112
₹115
₹110
Q6. A company's revenue grows by 10% in first year, 15% in second year, and 20% in third year. Calculate the average growth rate
17.12%
15.23%
16.05%
14.47%
Q7. Find the average of log₂(2), log₂(4), log₂(8), log₂(16), and log₂(32)
6
4
5
3
Q8. A dataset has 5 numbers: 10, 15, x, 25, 30. If the median is 20 and mean is 22, find x
26
22
24
20
Q9. From a dataset of 10 numbers: 5, 8, 12, 15, 20, 25, 30, 35, 40, 50, calculate the 20% trimmed mean
28
24
26
22
Q10. A set of 6 numbers has an average of 50. If 5 numbers are known: 40, 45, 55, 60, 65, what is the sixth number
60
50
55
45
Other References :
AP & GP : Link
Area : Link
Boat & Stream : Link
Compound Interest : Link
Height & Distance : Link
LCM & HCF : Link
Logarithm : Link
Percentage : Link
Profit & Loss : Link
Ratio & Proportion : Link
Simple Interest : Link
Speed Distance : Link
Time & Work : Link
Trains Problem : Link
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