Alexander sloan, chartered accountants Interview Questions, Process, and Tips

B. 437950

but how?

6620

135 is wrong because from starting difference between 7 after that 9 after 11 ,13,17 and so on

Let x be fathers present age and y be son present age.
5 yrs ago, the age of father and son be x-5 & y-5.
Then,
x-5+y-5=40
x+y-10=40
x+y=50
y=50-x ———–> (1)
ratio between father and son in present age
x:y=4:1
x/y=4/1
x=4y
Apply eq (1) ,
x=4(50-x)
x=200-4x
x+4x=200
5x=200
x=200/5
x=40,,
=> The present age of father is 40.

1.7% loss

C

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I need a answers from hakuna matata questions

2* pi* r ( h + r )
r=3cm
h=7cm

2 * 22/7 *7 ( 10 ) = 440 sq cm