APTITUDE QUESTIONS AND ANSWERS IFLEX

1. square root(x)/3 = 243/x value of x ???? ans. 81
2. qn from loss and gain what is the net profit
????? ans. 25 percent
3.if + sign is represented as /, - as *(into,not
power do not confuse) , 
* as - and / as + then what will be the value of
(480+20*20)-16 /12 ???
ans. 76
4. which of the following will come next in the
series
IAR, GET , EIV , COX ans. AUZ
5. B is in DOUBT in the same way H is in
choices.... HOPE , HOUSE , HONEST , INHIBIT ans.
HOUSE(confirm it i am not sure)
6. if P+Q represents P is the sister of Q, P-Q
represents P is the father of Q and P*Q represents P
is the brother 
of Q then which will represent K is the aunt of N
ans. K+Q-M*N
7.In a class puspa ranks 8th from top and 28th from
bottom.how many students are there in the class?????
ans. 35
8. 23 percent of a no is 230, 4/23rd of the number
is ?????? ans.none of these
9. sum of a number and its one third = 60, 4/5th of
the number is ????? ans. 36
10.if A to Z is written in the reverse order which
is the 5th letter to the right of the 11th letter
from the left????
ans . K
11.In a rectangle length = twice that of breadth ,
cost of grounding is 60 rupees per meter,total cost
is 3600/- 
what is the length in meter???????? ans. 20
12.qn on sequences
which will come next??
11 13 17 23 31 ? 53 67 ans. 41
13. 18 27 64 125 ? 343 512 ans. 216
14. 2 3 10 15 26 ? 50 63 ans.please find out
15. 0 2 10 30 68 ? - - (cannot recall) please find out
16.if simon is taller than A, A is shorter then
gayatri, sharat is taller then............ ans.
gayatri
17. If a 100m train crosses a platform of 75m in 7.5
secs,another train of 120m coming opposite,
how much time it takes the first train to cross the
second one .. ans. none of these
18. Telegram system, 1st 15 words in x rupees,next
per letter in y rupees, if z > 15 what
is the total cost of c??????? ans. x+(z-15)*y