Notesale: Turn your study into money

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19) The population of a town increased from 1,75,000 to 2,62,500 in a decade
...

Increase percentage (%) = (87500/175000) * 100 = 50%
Required average = (50/10) = 5%

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Excluding stoppages, the speed of a bus is 54 kmph and including stoppages, it is 45 kmph
...
5) km/hr = 87
...


41

A man on tour travels first 160 km at 64 km/hr and the next 160 km at 80 km/hr
...
Two balls are drawn in succession without
replacement
...
A toy is drawn and then another toy is drawn
without replacement
...
What is the
probability that the number is divisible by 4?

92

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101

102

Let Principal = P, Rate = R% per annum, Time = n years
When interest is compound annually:
R n
Amount = P 1 +
100

(13900 - x) * 11 * 2
+
100
100
28x - 22x = 350800 - (13900 x 22)
6x = 45000
x = 7500
...


Rate =

100 *3000
12500 * 4

%= 6%

104

Principal = $

100 *5400
12 * 3

= $ 15000
...

Simple Interest for 5 years = $

2205
*5
3

= $ 3675

Principal = $ (9800 - 3675) = $ 6125
...
20

106

Let the rate be R% p
...

R 2
= 1348
...


21
20

13)

107

$

3 2
1 + 100

100 *

= $ 106
...
09 - 100) % = 6
...


5 2
- 1200
1 + 100

Difference = $ (123 - 120) = $ 3
...

Then,

10 2
-P
1 + 100

P

= 525

P

11 2
-1
10

= 525

P=

525 * 100
21

= 2500
...
2500
...
I
...


109

110

I
...


111

112

I
...


B's 1 day's work =

1
20

(A+ B)'s 1 day's work =

1
7

I
...

7

2
work was carried by A
...
is irrelevant
...


113

x
candles in 1 min
...
gives, Machine X and Y produce
candles in 1 min
...

From I and II, Y produces
2 5
10
3x
candles are produced by Y in 1 min
...

3x
3
I
...

Correct answer is (E)
...
10 men and 10 women together can complete the work in 3 days
7
II
...


(10 x 6) men can complete the work in 1 day
...


24
24
men + 10 *
women can complete the work in 1 day
...

7
7
240
1
240
*
+
women's 1 day's work = 1
...


Let the distance between the two stations be x km
...
Then, speed of the mail train = (y + 12) km/hr
...

=

...

Correct answer is (D)
...
The sum of their speeds is 135 km/hr
...
The difference of their speed is 25 km/hr
...


116

Since ratio of speed of X : Y is 3 : 4, then ratio of time will be 4 : 3
...
If Y takes 3 min, then X takes 4 min
...

3
min

II
...

Correct answer is (E)
...
The train crosses another train (Howrah Express/12869) of 300 metres length running in
opposite direction in 10 seconds
...
The train crosses another train (Howrah Express/12869) running in the same direction at the
speed of 60 km/hr in 30 seconds
...


=

(l1 + l2)
(u + v)

sec
...


117

(l1 + l2)
sec
...

Correct answer is (E)
...
The relative speed of the two trains was 150 kmph
...
The trains took 9 seconds to cross each other
...

(u + v)
5
125
150 *
=
m/sec
...

9=

I
...
Number of articles sold

118

I
...


Selling price = Rs
...

To find gain percent, we must know the Cost price of each
...


I
...
20 per kg
...
The rate of Y is Rs
...


119

By selling a product with 20% profit, how much profit was earned?
I
...
40
...
The selling price is 120 percent of the cost price
...
Then,
1
x
=
I
...

So, x + 6 = 8
x = 2
...

II
...


121

I
...


122

I
...


4
(x + 1)

+

4
(x - 1)

= 3
...


Correct answer is (E)
...


123

I
...
Speed upstream =

x
2

km/hr

x
km/hr
...


48
km/hr = 8 km/hr
...
Speed downstream =
km/hr = 12 km/hr
...

2
I
...
What number should come next?

127

In this simple addition series, each number increases by 0
...
What number should fill the blank?

130

Look at this series: 0
...
3, ____, 1
...
4,
...
indiabix
...
questionbank
...
com/
http://questions-answers
...
com/

178



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