**Sum of Square series - **Sum of square of consecutive numbers from 1 to n is

**Sum of square of even series - **Sum of square of even consecutive numbers from 2 to n is

**Sum of square of odd series - **Sum of square of odd consecutive numbers from 1 to n is

**Sum of cube series - **Sum of cube of consecutive numbers from 1 to n is

**Note - **remember that sum you find from all above formula is always from 1 to n numbers.

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Related questions for practice

**Q1. **Sum of three consecutive even number is 24 then middle term is -

**a. **6 **b.** 8 **c.** 10 **d.** 12

**Q2. **Sum of five consecutive odd number is 145 then middle term is -

**a.** 27 **b.** 31 **c.** 29 **d.** 25

**Q3.** Sum of 9 + 16 + 25 + 36 . . . . . . + 100 is

**a.** 350 **b.** 380 **c.** 75 **d.** 65

**Q4.** Sum of square of consecutive numbers from 11 to 21 is

**a.** 2926 **b.** 3017 **c.** 3215 **d.** 3311

**Q5. **Sum of cube of consecutive numbers from 5 to 10 is

**a.** 2295 **b.** 2425 **c.** 2495 **d.** 2925

**Answer Key**

**1.** b **2.** d **3.** b **4.** a **5.** d