Question
Eight boys B1, B2, B3, B4, B5, B6, B7 and B8 are sitting
in a row facing towards the north (not necessarily in the same order). B6 is fifth to the right of B1. B4 is fifth to the right of B5, B5 is to the immediate right of B1. B8 is third to the left of B4. B2 is third to the right of B7. B7 is an immediate neighbour of B1. Who is sitting on the immediate left of B1?ÂSolution
The correct answer is B

If a + b + c = 12 and ab + bc + ca = 47, and a, b, c are real numbers, find the value of a³ + b³ + c³ − 3abc.
If a + `1/b` = 1 and b + `1/c` =1 , then the value of c + `1/a` is

A sum of Rs. 25,000 is invested in SIP 'G' which offers 7% p.a. simple interest for 7 years. The interest received from SIP 'G' is invested in SIP 'H' w...
If
= 2 then find In a best-of-two chess match between Player X and Player Y, the probability that Player X wins a game is (5/9), and the probability that Player Y loses ...
If 10x2 – 6xy+y² – 4x+4= 0, then find the value of (3x+2y).
If x 2  – 15x + 51 = 0, then determine the value of (x – 5) + {1/(x – 5)}.
For a =-4 and b = 5, value of a² – b² is: