What is the unit digit of the sum of first 111 whole numbers?
Sum of first 11 whole numbers is 0+1+2...110 i.e n(n+1)/2 =110*111/2 =55*111 Therefore unit digit is 5
How is D related to E?
Z, the son-in-law of K, is the brother-in-law of G who is the brother of D.D is the daughter of K. How is G related to K?
Ankit and Mohit are brothers. Shikha and Shweta are sisters. Ankit’s son is Shweta’s brother. How Mohit is related to Shikha?
If “J#K^P%R#O”, then How O is related to J?
How is A related to E?
How is R's daughter related to U's daughter?
Introducing a woman, a man said, 'Her sister’s mother is the only daughter of my grandmother.' How is the man related to this woman?
How is H related to I?
How is L related to M?
Which of the following is definitely true?