Biu internacional, consultoria e comércio, lda. Interview Questions, Process, and Tips

c

let x be lenghth of candles.

thicker one—- in 1 hr 1/6th will go.
thinner one— in 1 hr 1/4th will go.

let he lit for n hrs.

so in n hrs thicker one goes n/6.
and thinner one goes n/4.

so remainini length are x-n/6 and x-n/4.so x-n/6=2(x-n/4)
implie n=3x. if x=1 n=3hrs.

B. 9001

35 is not the factor of 120 so…35 is the answer

share= 5:7
i.e.,
=9600*5/12
= 4000

first 10 odd num are 1,3,5,7,9,11,13,15,17,19
sum=100
avg=100/10
avg of 10 odd num =10

white

125

Cut it horizontally so both can have equal share and same in shape.

39/50

Answer is 400.(14^2=196, 16^2=256, 18^2=324, 20^2=400.)