In this task, you need to provide the correct option for a given problem from the provided options.

[Q]: Problem: what is the square root of 261,121 ?
Options: a ) 476 , b ) 489 , c ) 497 , d ) 511 , e ) 524
[A]: d

[Q]: Problem: the ratio of number of boys and girls in a school is 2 : 5 . if there are 420 students in the school , find the number of girls in the school ?
Options: a ) 150 , b ) 250 , c ) 300 , d ) 370 , e ) 280
[A]: c

[Q]: Problem: how many prime numbers between 1 and 100 are factors of 1771 ?
Options: a ) 2 , b ) 6 , c ) 5 , d ) 4 , e ) 3
[A]:
e