Question
What is the value of 1² + 3² + 5² + 7² + 9²
................ 19²?Solution
Sum of the squares of odd number = (n(n+1)(n+2))/6 Where n = Last term = (19×20×21)/6 = 1330
More No. System Questions
85% of 620 + ? % of 1082 = 4855
(√784 ×20+ √4225 ×14)/(√1764 ×5) = ?
Find the value of 40 ÷ 5 of 6 × [3 ÷ 6 × (12 – 6)] – (15 ÷ 3 of 30):
(42% of 1500 + 170) ÷ 4 = ?2 - 52Â
(8 x 9) ÷ 5 + ?2 = 23.4
? = (22% of 25% of 60% of 3000) + 21
- What will come in the place of question mark (?) in the given expression?
(6/11) of 121 - ?% of 100 = 5² + 5 33 + (6.25) % of 1600 = ? + 2 X 55
What value should come in place of the question mark (?) in the following question?
(286 ÷ 11 + 14) × 5 = 40 + 25% of ?<...
193. 69 + 200.09 – 512.96 + 312.09 =?
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