APEX’09 Test NO : 5
1)Two person P and Q can do the work alone in 10 and 15 days respectively.if P works for 2 days and Q
works for 5 days ,then find the total amount of work done.
Ans:- 8/15
Work done = no. of days * efficiency
Eff. Of P= 1/10
Eff. Of P= 1/15
W= 2*1/10 + 5*1/15
W= 8/15
2) At 5% simple interest , a sum of Rs 500 fetches Rs 36 more than amount of interest accured on Rs 380
for same period and rate . Find the time.
ANS- 6 YEARS.
SI= PNR/100
DIFFERENCE OF SI= NR(P1-P2)/100
36= 5*N(120)/100
N=6
3)All mammals are animals
All tigers are mammals
ANS:- Some tigers are animals
4) x,y,z are the three contestants in a kilometer race , if x can give y a start of 50 meters and x can also
give z a start of 69 meters,how many meters start y can give z.
ans:- 20m
5)The minute hand of a clock overtake the hour hand at the intervals of 65 min of correct time . How
much does the clock gain or lose in 12 hours.
Ans:5 (5/143)
In a clock , both hand coincide at the interval of 65 (5/11)
Total time = (t*60) {65(5/11)}/x
=5(5/143)
6)How many new books Ram had?
1.Ram sold all the old books.
2.Ram purchased only 20 new books.
3.Ram does not sell any new books.
ANS:- all the three
7)If one typist can type a certain manuscript in 8 minutes, while another typist can type the same
manuscript in 12 minutes, how long would it take both typists, working simultaneously, to type the
manuscript?
ANS:- 4 minutes, 48 seconds
Efficiency=1/8+1/12
(20/96)
Time taken =4.8= 4 mins 48 sec
8)Five years ago, Beth's age was three times that of Amy. Ten years ago, Beth's age was one half that of
Chelsea. If C represents Chelsea's current age, which of the following represents Amy's current age?
Ans:- 5 + c/6
B-5=3(A-5) and B-10=.5(C-10)
C=2B-10
.C=2(3(A-5)+5)-5
A=5+C/6.
9) A portion of $6600 is invested at a 5% annual return, while the remainder is invested at a 3% annual
return. If the annual income from the portion earning a 5% return is twice that of the other portion,
what is the total income from the two investments after one year?
ANS:- $270
LET X AND 6600-X BE TWO PARTS
X*5=2*3*(6600-X)
X=3600
TOTAL ANNUAL INCOME= 36*5+ 30*3= 180+90=270
10) If r =(3p+q)/2 and s = p - q, for which of the following values of p would r2 = s2 ?
ANS:- 3q
11) If eight pounds of macadamia nuts, priced at $6.00 per pound, are combined with twelve pounds of
brazil nuts, priced at $5.00 per pound, what is the per-pound price of the resulting mixture?
ANS:- 5.4
8*6+12*5=108
108/20=5.4
12) 1 2 4 9 28 ____
ANS:- 125
1 = 0! + 0
2 = 1! + 1
4 = 2! + 2
9 = 3! + 3
28 = 4! + 4
125 = 5! + 5
13) If push= trug, wat is snid?
ANS:- wkkc
P Q R S T=>S T U V [W]
U T S R => N M L [K]
S T U=> I J [K]
H G=> D [C]
14) In a certain parallelogram, the degree measure of one angle exceeds that of another angle by 30.
What is the degree measure of the smaller angle?
ANS:- 75
X+X=30=180
X=75
15) A clock is set right at 5 a.m. The clock loses 16 min in 24 hrs. What will be the true time when the
clock indicates 10 p.m. on the 4th day ?
ANS:- 11 p.m
5 AM 0N 4TH DAY= 54 MINS LOST
5PM=62 MINS LOST
The correct choice is (D).
Time from 5 a.m on a day to 10 p.m on 4th day = 89 hrs
Now 23hrs 44 min of this clock = 24 hrs of correct clock.
356/15 hrs of this clock = 24 hrs of correct clock
89 hrs of this clock = ( 24 * 15/356 *89 ) hrs of correct clock
= 90 hrs of correct clock.
So, the correct time is 11 p.m .
16) Sentence correction
Job applicants for computer programming jobs are at times asked to demonstrate their programming skills
on the spot.
Ans:D
a)Job applicants for computer programming jobs are at times
b)Job applicants are sometimes for computer programming jobs
c)For some computer programming jobs, job applicants at times are
d)Applicants for computer programming jobs are sometimes
17) MATERIALISM : OBJECT :: HEDONISM
Ans: pleasure
18) FALLACY means
Ans: valid argument
19) The ______ science of seismology has grown just enough so that the first overly bold theories have
been ______
Ans: fledgling . . Refuted
20) ANTONYMS
FULMINATION :
Ans: praise
21) FRUGAL : MISERLY ::
Ans: confident : arrogant
22) It is ironic and somehow tragic that good people are often dull while evil people can be
endlessly_________.
ANS: fascinating
23) ANTONYMS
OBSEQUIOUS :
Ans: supercilious
24) Trying to keep her balance on the icy surface, the last competitor's ski-tip caught the pole and
somersaulted into the soft snow.
Ans: the last competitor caught the pole with the tip of her ski, and somersaulted into the soft snow.
25) SYNONYM:
LEVIED
Ans :imposed
26) What was the first name given to Java Programming Language.
Ans: Oak – Java
27) Memory allocation of variables declared in a program is
Ans: allocated on stack
28) Frequency at which VOICE is sampled is
ANS: 4 Khz
29) Which Statement would you use to remove the EMPLOYEE_Id_PK PRIMARY KEY constraint and all
depending constraints fromthe EMPLOYEE table?
Ans: ALTER TABLE employee dROP PRIMARY KEY CASCAdE;
30) Predict the output:
main()
{
char s[ ]="man";
int i;
for(i=0;s[ i ];i++)
printf("\n%c%c%c%c",s[ Ii ],*(s+i),*(i+s),i[s]);
}
Ans:
mmmm
aaaa
nnnn
Prepared by :
P.L.Raja (063039)