Question
What is the value of 1² + 3² + 5² +
7² + 9² ................ 19²?Solution
Sum of the squares of first n odd number = n(2n+1)(2n-1)/3 Where n = number of terms Here number of terms are 10 as last odd term is = 2n-1=19 So n =10 So required sum = 10 × 21 ×19/3 = 1330
Maharana Pratap, a contemporary of Akbar, was a ruler of which of the following kingdoms?
Where in India the Cold Biosphere Desert located?
Which of the following factors is responsible for the disease called ‘Mad Hatter’s Disease’?Â
Which of the following is the traditional bamboo dance of the Mizos?
World Happiness Report is prepared ______________________.
Bharatanatyam and Kuchipudi dancer Yamini Krishnamurthy was awarded which of the following awards in 2016?
From where does the word "onomatopoeia" originated?
President of India is empowered to make which of the following appointments?
A. Chief of the Army
B. Speaker of the Lok Sabha
C. Ch...
Which among following statements about Satpura Range is/are correct?
1. Mountain Range Satpura and Vindhya Found in the Eastern part of India.
Which of the following cups/trophies is NOT related to the Indian domestic cricket?
Relevant for Exams:
