What is the value of 1² + 3² + 5² + 7² + 9² ................ 19²?
Sum of the squares of odd number = (n(n+1)(n+2))/6 Where n = Last term = (19×20×21)/6 = 1330 type-2 Sum of the squares of odd number = (n(2n+1) (2n-1))/3 Where n = (Last term+1)/2= (19+1)/2=10 = (10×21×19)/3 = 1330
How many Floors are in between the K and S?
Choose the odd one out.
Who among the following person lives immediate above flat of O?
Who among the following lives at floor number 5?
How many floors are there between floors of Chaman and person born in January?
Who lives in fourth floor and the age of that person is?
Who likes Red?
Who among the following person lives immediate above flat of O?
Whose anniversary is on 27th of July?
How many persons born between E and B?
