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syf 4 years ago

Out of every 100 people in police department, 10 are women. Out of every 100 people in military forces, 3 are women. In a batch of 180 police personnel and 200 army personnel, how many of them would be women?

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Dimple 4 years ago

Number of women in In a batch of 180 police personnel and 200 army personnel = 18+6=24

Like? Yes (1) | No

Ramakrishna 8 years ago

Q: A and B are working on a assignment. A take 6 hrs to type 32pages on a computer,while B takes 5hrs to type 40pages.How much time will they take working together on two different computers to type assignment of 110pages? I NEED COMPLETE SOLUTION PLS HELP ME

a) 5:15 b) 4:30 c) 8:15 d) 7:45

Reply Like? Yes (1) | No

Devendra Marghade 8 years ago

c) 8:15

A & B will type (32/6)+(40/5)=40/3 pages in 1 hour.
So time(in hours) to type 110 pages= 110/(40/3) =33/4 =8.25 hrs. or 8 Hr. 15 min.

Like? Yes (2) | No

gagandeep singh 8 years ago

how yu solve the on no of trains crossing yr,I didn't get u?

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Sudharsan 8 years ago

can you send me some apti ques for tcs with soln ... my mail id sudith93@gmail.com

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Neha Seth 8 years ago

Que: Choose the correct answer
Code A has to execute 4*n2 + 64 program statements, while Code B has to execute 32*n program statements for a

problem of size n. The time for executing a single program statement is same for all statements. Rajesh was given a

problem with a certain size k and he delivered Code A. What could be the possible value of k?

Option 1 : 1000
Option 2 : 5
Option 3 : 10
Option 4 : 3

Reply Like? Yes | No

SAHIL DIWAN 8 years ago

Arrange in ascending order of profit
1. A good is sold 20% higher then its c.p
2. 800 gram instead of 1 kg by using false wet is sold at cost price
3. 20% impurity is added then mixture is sold at cup
4.10% less wet is sold at a profit of 10% on cp

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SAHIL DIWAN 8 years ago

Rahul walks down an up-escalator and counts 150 steps. Aarav walks up the same escalator and counts 75 steps. Rahul takes three times as many steps in a given time as Aarav. How many steps are visible on the escalator?

Reply Like? Yes (1) | No

SAHIL DIWAN 8 years ago

Ram always walks down on a moving escalator to save time. He takes 50 steps while he goes down. One day due to power failure of 10 secs(when the escalator comes to a halt) he takes 9 secs more than usual time to get down.Find the visible steps of the escalator!

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SAHIL DIWAN 8 years ago

A woman is walking down a downward-moving escalator and steps down 10steps to reach the bottom. Just as she reaches the bottom of the escalator, a sale commences on the floor above. She runs back up the downward moving escalator at a speed five times that which she walked down. She covers 25 steps in reaching the top. How many steps are visible on the escalator when it is switched off?

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Ann Theressa 8 years ago

Let s be the number of steps on the escalator.
Let a be the speed of escalator and b speed of woman.

The time while the woman moves down 10 steps equals the time that the
escalator moves s-10 steps.
(s-10)/a = 10/b ----(1)

Also the time that woman moves 25 steps equals the time that the escalator moves (25-s) steps.
(25-s)/a = 25/5b ----(2)

(1)/(2) gives
(s-10)/(25-s) = 2
Solving s = 20 steps

Like? Yes (2) | No (1)

mano 8 years ago

trains a and b are travelling on the same route..heading towards the same direction.train b has already covered a distance of 220 kmbefore the train a started.the two trains met each other after 11 houra after the starting of train a. had the train travelling towards each other from a distance of 220 km then they would have met after 1 hour.now what is the speed of train a and b?

i cannt find the answer. in first sentence they have given that two trains are in same route and one heading another. if two trains are in same route the how come we add the speed
tell me this i cannot understand this sum.

Reply Like? Yes (1) | No

Ann Theressa 8 years ago

Let the speed of a and b be â€˜aâ€™ and â€˜bâ€™
In 1st case a and b are travelling in same direction. So relative speed is (a-b)
Distance travelled by a before meeting = speed*time
=11a
Distance travelled by b before meeting = speed*time
= 220+11*b
11a = 220+11b
a = 20+b
a-b = 20 ---(1)
In 2nd case and b are travelling in opposite directions towards each other. So relative speed is (a+b).
Speed = (a+b)
Distance = 220
Time = 1hr
Distance = speed*time
220 = (a+b)*1
a+b = 220 ---(2)
solving eqn (1) and (2)
a = 120km/hr
b= 100km/hr

Like? Yes (4) | No

SIDDHARTH KATARIYA 8 years ago

hi ann can u say me ur email id???????/

r mail me in mah email id siddharthkatariya1@gmail.com

hi ann can u say me ur email id???????/

r mail me in mah email id siddharthkatariya1@gmail.com

Reply Like? Yes | No

Bhagyashree Bhatt 8 years ago

Hey ann
can u plz give me ur id i want to ask something regarding e litmus exam .Did u give the amcat exam,does the question in amcat section repeated or i can just use them as practice purpose .Rply me on bhavya.bhatt89@gmail.com..plz do rply

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sruthi 8 years ago

hi ann
i am sruthi... my native is also kerala
u r talented and u r very fast in finding answers.....keep on going..al the best

Reply Like? Yes | No (2)

k kishan kumar patel 8 years ago

A says B>D
B says A>C
C says C>D
D says C>B

Since the person with lightest weight tells the truth
C lies (If C tells the truth, then C is not the lightest and then C lies)
===> D>C is the true statement.
So D is also not the lightest person and D lies.
B>C
So from A and B only one is telling the truth and that is not B because
B>C, so B is not the lightest

A is the lightest
A

Read more: http://www.m4maths.com/placement-puzzles.php?SOURCE=Infosys&TOPIC=Numerical%20Ability#ixzz2xRw9e9Kh
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how can you say that c lies

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

Ann Theressa 8 years ago

C says C>D
if C is telling the truth,implies C>D is true
so C is not the lightest.
And only the lightest person tells the truth.So C lies

Like? Yes (1) | No

SIDDHARTH KATARIYA 8 years ago

sammer plants 7225 plans so that there as many row as there trees in row.how many trees are in a row
a-75,b-95,c-85,d-65

Reply Like? Yes | No

SHEREENA NISHAD 8 years ago

total number of trees = No. of trees in a row x No. of rows
Since no. of trees and No. of rows are equal
x^2 = 7225
x=85

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hanamant k 8 years ago

Let the total distance be x
so the speed of 1st train is x/4 and 2nd train x/3.5
In 2 hours 1st train covers half of the total distance .
so remaining is only half of the total distance(ie x/2).
let t be the time taken
t*x/4 + t*x/3.5 = x/2
t=14/15 i.e. 56 min

hi @ann
u solved this above question...ok fine
i want to know how t*x/4 + t*x/3.5 = x/2 is possible..?according to u d1+d2=d/2 how come plz let me know..thanks

Reply Like? Yes | No

Ann Theressa 8 years ago

Both the trains have to cover a total distance of x/2(the other half is covered by 1st train alone)
Let t be the time taken by both trains before meeting

we know
distance = speed*time
x/2 = x/4*t + x/3.5*t
Solving t = 56min

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SIDDHARTH KATARIYA 8 years ago

hello frnzzzzzzzz can anyone help me in getting amacat solution???/

Reply Like? Yes | No

Pulkit Dureja 9 years ago

Can u tell me how guava=65474 and banana=249494, orange=314968?

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ER. Ann
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Ann theressa (F)

Total Points 1326
Join 9 years ago

M4 Score

Score from best 50 Questions

Attempted 50
Date Points

19 Mar 14 18
20 Mar 14 20
24 Mar 14 18
25 Mar 14 18
27 Mar 14 17
28 Mar 14 18
31 Mar 14 16
03 Apr 14 18
10 Apr 14 18
11 Apr 14 19
14 Apr 14 16
16 Apr 14 18
17 Apr 14 17
18 Apr 14 17
21 Apr 14 16
22 Apr 14 19
24 Apr 14 18
25 Apr 14 16
28 Apr 14 19
30 Apr 14 17
01 May 14 16
02 May 14 16
05 May 14 20
06 May 14 19
07 May 14 18
08 May 14 18
09 May 14 18
13 May 14 19
14 May 14 18
16 May 14 16
20 May 14 19
21 May 14 16
22 May 14 20
26 May 14 19
27 May 14 18
28 May 14 18
30 May 14 16
31 May 14 19
03 Jun 14 19
02 Jul 14 16
07 Jul 14 16
09 Jul 14 17
15 Jul 14 20
16 Jul 14 20
21 Jul 14 19
20 Oct 15 15
21 Oct 15 15
23 Oct 15 15
26 Oct 15 15
23 Feb 16 15

Total 878
M4 Score878 / 10 = 87

Today's Puzzle Report

Puzzle Attempts87
Total Puzzle Points 1316

Placement Puzzle Report

Question Ask 6
Best Solution 68
Solution 308

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