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Q1). The length of rectangle is increased by 15% and its
breadth is decreased by 15%. The are of new rectangle is
a) Decreased by 15%
b) Decreased by 2.25%
c) Increased by 15%
d) Increased by 2.25%
e) Neither increased nor decreased
Q2). Two trains are running at 60 km/hr and 40 km/hr in the
same direction. Fast train completely passes the man sitting
in the slow train in 36 seconds. The length of the fast
train is
a) 200m
b) 160m
c) 240m
d) 180m
e) Cannot be determined
Q3). A,B and C can complete a piece of work in 10 days, then
how many people are required to finish the whole work in 25
days?
a) 10 days
b) 15 days
c) 20 days
d) 22 days
e) 25 days
Q4). 12 persons can do 3/5 of certain work in 10 days, then
how many persons are required to complete the whole work in
25 days?
a) 10
b) 9
c) 8
d) 7
e) 6
Q5). In an organization, 30% of the employees are
matriculates, 60% of the remaining are graduates and the
remaining 140 are post-graduates. How many employees are
graduates?
a) 210
b) 280
c) 350
d) 160
e) None of these
Q6). If x: y = 3:4, then (2x+3y): (3y-2x) =
a) 2:1
b) 4:1
c) 3:2
d) 5:3
e) 3:1
Q7). A mixture of 50 litres of milk and water contain 10% of
water. How much water must be added to make water 20% in the
given mixture?
a) 5.5 litres
b) 6.5 litres
c) 6 litres
d) 6.25 litres
e) 6.75 litres
Q8). A dealer marks his goods 25% above cost price. He then
allows some discount on it and makes a profit of 9%. The
rate of discount is
a) 11.4%
b) 12.8%
c) 13.4%
d) 14.2%
e) 15.1%
Q9). A number lying between 1000 and 2000 is such that on
division by 2,3,4,5,6,7 and 8 leaves remainders 1,2,3,4,5,6
and 7 respectively. The number is
a) 1726
b) 1822
c) 1548
d) 1922
e) 1679
Q10). Three years ago the average of a family of 5 members
was 17 years. A baby having born in between, the average age
of the family is same today. When was the baby born?
a) 1 year ago
b) 2 years ago
c) 3 years ago
d) just today
e) none of the above
Q11). The sum of the digits of a two-digit number is 9 less
than the number. Which of the following digits is at unit’s
place of the number?
a) 1
b) 2
c) 4
d) 8
e) None
Q12). One year ago, Mrs kusuma was four time as old as her
daughter Swathi. Six years hence, Mrs. Kusuma’s age will
exceed her daughters age by 18 years. The ration of present
ages of Kusuma and Swathi is
a) 25:7
b) 13:4
c) 25:9
d) 13:1
e) None of these
Q13). The calendar for year 1994 will serve as calendar for
a) 1998
b) 2002
c) 2003
d) 2004
e) 2005
Q14). The minute hand of clock overtakes the hour hand at
intervals of 63 minutes of correct time. How much a day does
the clock gain or loose?
a) Gains 10 10/43 minutes
b) Gains 56 8/77 minutes
c) Loses 10 10/43 minutes
d) Loses 56 8/77 minutes
e) None of these
Q15). The expression (11.98 * 11.98 + 11.98 * X + 0.02 *
0.02 ) will be a perfect square for X equal to:
a) 0.01
b) 0.02
c) 0.03
d) 0.04
e) 0.05
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Answer / guest
Q1). The length of rectangle is increased by 15% and its
breadth is decreased by 15%. The are of new rectangle is
a) Decreased by 15%
b) Decreased by 2.25%
c) Increased by 15%
d) Increased by 2.25%
e) Neither increased nor decreased
Answer: decreased by 2.25%
| Is This Answer Correct ? | 13 Yes | 1 No |
Q1). The length of rectangle is increased by 15% and its
breadth is decreased by 15%. The are of new rectangle is
Ans: b) decreased by 2.25%
Explanation:
Consider original Length & breadth of rectangle is X, Y
respectively. So area=1XY
After increased length of 15% = X+0.15X=1.15X
After decreased breadth of 15% = Y-0.15Y=0.85X
So area of new rectangle=1.15X*0.85Y=0.9775XY
From these
1XY-0.9775XY=0.225XY
So the percentage of area decreased by 2.25%
| Is This Answer Correct ? | 5 Yes | 0 No |
Q5). In an organization, 30% of the employees are
matriculates, 60% of the remaining are graduates and the
remaining 140 are post-graduates. How many employees are
graduates?
Answer: a)210
Explanation:
Total no.of qraduated employees an organization=X
X=60%of 70% of total employees,
Y=140 ie 40% of 60% employees
from this 40%=140, 100%=(140/40)*100=350
So 60% of 350 ie X=210
So the answer is 210.
| Is This Answer Correct ? | 3 Yes | 0 No |
Q10). Three years ago the average of a family of 5 members
was 17 years. A baby having born in between, the average age
of the family is same today. When was the baby born?
Answer: b)2 years ago
Explanation:
Before three years the total age of family members=5*17=85
Now the same family members's total age is=100
but after birth of the baby the family members is 6.So
6*17=102. hence the baby born on=102-100=2 years ago.
| Is This Answer Correct ? | 3 Yes | 0 No |
Answer / swe123
12th answer is 25:7
let 1 year ago ages b 4x and x
then [(4x+1)+6]-[(x+1)+6]=18
x=6
required ratio=(4x+1):(x+1)=25:7
| Is This Answer Correct ? | 2 Yes | 0 No |
Answer / swe123
6th answer is e i.e 3:1
as product of extremes=product of means
so x=3 and y=4
substitute
| Is This Answer Correct ? | 2 Yes | 0 No |
Answer / praveen
Q7:
the answer is 6.25 litres
explanation: the amount of milk in 50 litre is 90% that is
45litres.after adding the water to the mixture the amount of
milk won't change .it will remain as 45 litres.80%of mixture
is milk (45 litres).Therefore, 20%is 11.25 litres of
water.Hence the amount of water added is 6.25 litres.
| Is This Answer Correct ? | 2 Yes | 0 No |
Answer / shylu
Q1) if one increases and othr decrease...always ter ll be a
loss....
formula is (x/10)^2 wher x is increased or decreased percentage
= (15/10)^2
=2.25
Answer is decreased by 2.25 %
Q2) relative speed=(60-40)km/hr=20 km/hr
time =36 sec
length =speed * time
=20 * 5/18 * 36
=200 m
lenght =200 m
Q4) 8 person
for total completion of work, 20 men are required
so 12 men is for 3/5 of work and d remaining
2/5 of work is completed by 8 person
Q5) Total no.of qraduated employees an organization=X
X=60%of 70% of total employees,
Y=140 ie 40% of 60% employees
from this 40%=140, 100%=(140/40)*100=350
So 60% of 350 ie X=210
Answer is 210
Q6) x:y=3:4
from this x=3, y=4
(2x+3y) : (3y-2x)=18 : 6=3:1
Answer = 3:1
Q7)the amount of milk in 45 litre ie 90% of 50 litres.
After adding the water to the mixture the amount of
milk won't change so,it will remain as 45 litres.
the condition is to be 20 % of water after the addition of
the water
so the mixture contains 80% of m milk.
80% of x is =45 so x is 56.25 litres
Therefore, 20% of 56.25 is 11.25 litres .
Hence the amount of water added is 6.25 litres.
Q9) the only number when divided by 2,3,4,5,6,7 gives the
remainder is 1679
Q10) Before three years the total age of family members=5*17=85
the present age of the family is=100
after the birth of the baby the family members is 6.So
6*17=102.
hence the baby born on=102-100=2 years ago.
Answer is 2 years ago
Q11) Answer is 1
Q12)let k and s be the present age of Mrs kusuma & swathi
k=4s-3
k=s+18
by solving 1 & 2
we get k=25 and s=7
k:s=25:7
| Is This Answer Correct ? | 2 Yes | 0 No |
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