How many seconds in total are there in x weeks, x days, x hours, x minutes and x seconds?

(a) 11580x

(b) 11581x

(c) 694860x

(d) 694861x 

Solution:  

(Hello Guys, In this type of questions. Multiplications are not a good way to spend your time.You just need to find the smartest way to get a quick answer.)

You can see the green underline and 61x given in option, so I got the answer.