Sum of first n even numbers = n (n + 1) Required sum = Sum of 30 even numbers from 1 to 60 – sum of 15 even numbers from 1 to 30 = 30 × 31 – 15 × 16 = 930 – 240 = 690
Answer the following question based on the direction given below.
If 'A # B' means 'A is the son of B' 'A $ B' means 'A is the sister of B' 'A & ...
If A – B means that A is the mother of B, A + B means that A is the father of B, A ÷ B means that A is the sister of B, then which of the following ...
‘A # B’ means ‘A is the brother of B’
‘A @ B’ means ‘A is the daughter of B’.
‘A & B’ means ‘A is the husband of Bâ€...
If D @ E ^ F & G % H @ I then how is I related to F?
If A # B means A is mother of B. A @ B means A is brother of B. A % B means A is sister of B. A $ B means A is father of B. In expression K # G $ L % I ...
Answer the following question based on the direction given below:
If 'A#B' means 'A is the father of B' 'A@B' means 'A is the brother of B' ...
If ‘K ? G + L * Q # N’ is true then how is N related to L?
If A # B means A is brother of B,
A @ B means A is mother of B
A $ B means A is father of B
A & B means A is sister of B.
In...
P + Q means ‘P is the brother of Q’, P - Q means ‘P is the daughter of Q’, P ÷ Q means ‘P is the husband of Q’, P × Q means ‘P is the so...
A @ B' means 'A is the father of B'. 'A % B' means 'A is the wife of B'. 'A $ B' means 'A is the son of B'. 'A & B' means 'A is the sister of B'. If 'R ...
