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Ramakrishna to Chivaraman N 6 years ago

PLEASE SEND FACE BOOK ID....

Reply Like? Yes (1) | No (1)

Ramakrishna 7 years ago

Explain ?

DTP=744, ATM-147 then XIN=? a). 999 b). 989 c). 988 d). 997

Reply Like? Yes (2) | No

Ramakrishna 7 years ago

Explain ?

DTP=744, ATM-147 then XIN=? a). 999 b). 989 c). 988 d). 997

Reply Like? Yes | No (1)

Ramakrishna 7 years ago

Explain ?

DTP=744, ATM-147 then XIN=? a). 999 b). 989 c). 988 d). 997

Reply Like? Yes | No

Ramakrishna to chirag maheshwari 7 years ago

Q: A chocolate drink is 8% pure chocolate by volume. if 5 litres of pure milk is added to 25 litres of this drink, the percentage by volume of the chocolate in the resulting drink is nearly
a) 10% b) 15% c) 6% d) 20%

Reply Like? Yes (1) | No (1)

MAYUR GUPTA 7 years ago

ocolate drink is 8% pure chocolate by volume. if 5 litres of pure milk is added to 25 litres of this drink, the percentage by volume o

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MAYUR GUPTA 7 years ago

ocolate drink is 8% pure chocolate by volume. if 5 litres of pure milk is added to 25 litres of this drink, the percentage by volume o

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Rahul karad 7 years ago

Ans is 'c'
In a 25 litres of this drink pure chocolate is 25*8/100=2 litre
After adding milk
30*x/100=2
X=6.67%

Like? Yes | No

Ramakrishna 7 years ago

Q: if simple interest on a certain sum of money for 4yrs at 5% p.a is same as the simple interest on rs 560 for10 yrs at the rate of 4% p.a then the sum of money ?
a) 1190 b) 1120 c) 1210 d) 1010

Reply Like? Yes | No

Dimple 7 years ago

x*4*5/100= 560*10*4/100
x= 1120

Like? Yes (2) | No

Ramakrishna 8 years ago

plzzz explain.....?

1.A clock with only dots marking 3, 6, 9 and 12 positions has been kept upside down in front of a mirror. A person reads the time in the reﬂection as 9.50.What is the actual time?
(1) 2: 15
(2) 2:10
(3) 8:40
(4) 4: 15

Reply Like? Yes (11) | No

Ramakrishna to Devendra Marghade 8 years ago

wish you a Happy new year

Reply Like? Yes (1) | No

Ramakrishna to A SIRISHA 8 years ago

Q: in a mixture of milk and water of 40 liters water is 5% . the amount of water to be added to this mixture so as to make water 10% is ? explain plzzzzzzzz

ans: 2+2/9

Reply Like? Yes | No

Tushar belwal 8 years ago

If u add water then amount of milk remains same i.e
Initial amount of Milk = 95% × 40 = 38
Final amount of milk = 90% × (x) =38
=> x=42+2/9
Amount of water added = 42+2/9 -40 = 2+2/9

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Ramakrishna to Devendra Marghade 8 years ago

Q: in a mixture of milk and water of 40 liters water is 5% . the amount of water to be added to this mixture so as to make water 10% is ? explain plzzzzzzzz

ans: 2+2/9

Reply Like? Yes | No

Ramakrishna 9 years ago

plz explain

Q: The diameters of two concentric circles are 10 cm and 16 cm respectively. The area of the
region between the circles is (in square cm)

Reply Like? Yes (1) | No

Rajkumar Madanoli 9 years ago

Area= PI(8^2-5^2)

Like? Yes (1) | No

Ramakrishna 9 years ago

Q: A committee of 6 members is to be formed out of 6 men and 3 women. The number of
committees that can be formed in which at least one woman is included is ? plz explain

a) 83 b) 63

Reply Like? Yes (1) | No

archana funde 9 years ago

(6C5*3C1)+(6C4*3C2)+(6C3*3C3)
18+45+20=83

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Ramakrishna to nathiya 9 years ago

Q: The sum of K numbers is 2000 and their average is 50. If 91 is included into the list, then
the new average is ?

a) 51 b) 49 c) 41

Reply Like? Yes (5) | No (1)

aman aditya 9 years ago

Sum =2000
Average =50
So, K =2000/50 =40 (Average = Sum of observations / Number of observations)
Now 91 is added so sum becomes 2000+ 91= 2091
New average = 2091 /(40 +1) = 51 Ans

Like? Yes (3) | No

Rajkumar Madanoli 9 years ago

50K=2000 so, K Numbers=40. Now 91 is to be added.
New average = 50(Average)+41(Extra and this extra is distributed among all the numbers , as their will be 41 number after including 91.)

Like? Yes (4) | No

Ramakrishna to nathiya 9 years ago

Q The length of a rectangle is decreased by 10% but the area remains the same. Then, percentage
increase in the breadth of the rectangle is ? plz explain

Reply Like? Yes (1) | No

aman aditya 9 years ago

Let Suppose,
Length = 10
Breadh = 18
So, Area = 18 * 10 = 180
Now length is decreased by 10% so new length = 9
Area = l * b
180 = 9 * b
b =20

Difference in breadth = (20 - 18) = 2
% change = (2 * 100)/18 = 11.1 % Ans

Like? Yes (2) | No

Ramakrishna to sanjeev 9 years ago

plz explain

Q The length of a rectangle is decreased by 10% but the area remains the same. Then, percentage
increase in the breadth of the rectangle is ?

Reply Like? Yes (1) | No

Ramakrishna 9 years ago

Q: How many numbers lying between 200 and 600 are divisible by 4,5 and 6 ? plz explain
(a) 5
(b) 6
(c) 7
(d) 8

Reply Like? Yes (2) | No

paras 9 years ago

Take Lcm of 4,5,6 which is 60.that means interval will be 60 and numbers are 240,300,360,420,480,540 not 600 bcz asked lying between therefore answer will be 6.i hope it will be helpful @RAMAKRISNA

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ABHAY 9 years ago

lcm of 4,5,6=60
therefore all multiple of 60 will be divisible by 4,5,6.
so the exactly 6 number is divsible by 4,5,6

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akhil 9 years ago

c) 6
bcoz lcm of 4,5,6 is 60. so only the multiples of 60 will be the num tht r divisle by 4,5,6.
btwn 200-600 the mltples of 60 are 240,300,360,420,480,540,600. total 7

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Ramakrishna 9 years ago

Q: one side of a square is increased by 30%. To maintain to same area other side will have to be decreased by ?

Reply Like? Yes (1) | No

SunNy Yadav 9 years ago

Let the side of square be .. = 10
Then area of square =>
10×10 = 100
Now,
One side is increased by 30%,
10×130/100 = 13
Let other side be decreased by x ,
So area of square
13×(10-x) = 100
130-13x = 100
x = 30/13
So the other side decreased by 30/13 %

Like? Yes (1) | No

Ramakrishna 9 years ago

plz explain

A12, E48, I46, O184, ?

(a) U182 (b) U183 (c) U181 (d) U180.

Reply Like? Yes (5) | No

rahul deb 9 years ago

(12*4)=E48 and(48-2)=I46 similarly (46*4)=184 and (184-2)=182 so ans :U182

Like? Yes (3) | No (1)

Nanditha Bandaru 9 years ago

U182;
Vowels A, E, I ,O, U
12*4 = 45 = E48;
48-2 = 46 = I46;
46*4 = 184 = O184;
184-2 = 182 = U182

Like? Yes (3) | No

Ramakrishna 9 years ago

Q: 105:150::18: --- plz explain

a) 35 b) 39 c) 45 d)72

Reply Like? Yes (2) | No

MOJUMDER 9 years ago

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Ramakrishna to Rishu 9 years ago

Q: Tom is chasing Jerry. In the same interval of time Tom jumps 8 times while Jerry jumps 6 times. But the distance covered by Tom in 7 Jumps is equal to the distance covered by Jerry in 5 Jumps. The ratio of speed of Tom and Jerry is ?

Reply Like? Yes (2) | No

Rishu 9 years ago

(8*5/(6*7)=40/42

Like? Yes (2) | No

Rishu 9 years ago

40/42

let distance be d and time interval be t

distance covered by tom in one jump=d/7
distance covered by jerry in one jump=d/5

time taken by tom for one jump=t/8
time taken by jerry for one jump=t/6

speed=distance/time

toms speed=(distance covered in one jump)/(time taken for one jump)
=(d/7)/(t/8)=8d/7t
similarly,
jerrys speed=(d/5)/(t/6)=6d/5t

toms speed/jerrys speed=(8d/7t)/(6d/5t)=40/42

Like? Yes (3) | No

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