Find the average of squares of first five natural numbers. Option 1: 8 Option 2: 10 Option 3: 11 Option 4: 5

Answer: 11. Solution: Sum of squares of first 5 naturals = 1+4+9+16+25=55. Average = 55/5=11.

Arithmetic

Central Tendency

Easy

Find the average of squares of first five natural numbers.

✅ Correct Option: 3

Sum of squares of first 5 naturals = $1+4+9+16+25=55$ . Average = $\frac{55}{5}=11$ .

2022: 6 Aug Shift 1

The average of 3 even consecutive integers is 12. What is their product?

2026: 14 May Shift 1

The A.M.(Arithmetic Mean) and G.M (Geometric Mean) of two positive numbers p and q are 8 and 4 respectively, then the value of p - q are

2026: 26 May Shift 1

The median of frequency distribution is:

Class :	0 – 25	25 – 50	50 – 75	75 – 100
Frequency :	23	32	15	12

2022: 20 Aug Shift 1

The average of eight numbers is 6. If each number is multiplied by 5, then the average of the new set of numbers is

2025: 3 June Shift 1

In a class, the number of students who scored 61 or more marks is 30 and there are almost 39 students who have scored below 61 marks.

If the average marks of the class is 48, then determine that what is the largest possible average marks of students who have scored below 61 marks?

2026: 21 May Shift 2

Heights (in cm) of 15 students are:

142, 145, 148, 150, 152, 155, 148, 150, 150, 152, 155, 148, 150, 152, 148.

What is the median height of the students?