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• #### Price of a Book

If the list price of a book is reduced by Rs. 5, then a person can buy 5 more books for Rs. 300. The original cost of the book is (1) Rs. 15(2) Rs. 20(3) Rs. 25(4) Rs. 30

#### Akshay Shah

• Jul 14th, 2016

Consider option 1 Rs.15 List Price is Rs.15 How many books were purchased at list price of 15 for Rs 300? 15x20=300 20 books. if Rs.5 were reduced, now cost price is 10 then 20 Books were sold at 10...

#### Rahul

• Jun 7th, 2015

20

• #### Questions Selection

There are 3 Sections with 5 questions each. If three questions are selected from each section, then in how many ways this selection can be done?

#### sarojini.s

• Aug 18th, 2016

90

#### Monisha

• Jul 16th, 2016

5c3*5c3*5c3=1000

• #### how many 9 digit no.s are divisible by 7

a.1256b.1986c.1524d.1874

#### pravesh28

• Mar 28th, 2010

The 100000 first 9 digit number First number divisible by 7 is 1000006 (First term) Greatest 9 digit number is 9999999 and divisible by 7 is 9999997 (nth term) 9999997 equals 1000005+(n-1)7 Solving we get n equals 1285714

#### suchintya

• Jun 13th, 2008

128571428 is the correct answer that i copied from the above. But i apreciate that........Cheers

#### naresh

• Oct 12th, 2007

I have good knowledge of subject. I have the ability to put my subject knowledge into the work. So i am confident about my work.

#### johnychd

• Apr 3rd, 2007

Confidence comes with your knowledge of work, which you are doing. If you know what to do and how to do? You will always be confident.

• #### Circle Circumference

There is a point P on the circle. A and B started running in two constant different speeds. A in Clockwise and B in Anti-clockwise. A meet B First time 500m in Clockwise from P then second time 400m Anti-clockwise from P. B is yet to complete one round, What is the circumference of the circle?

#### aayushgarg

• Dec 22nd, 2014

600

#### natraj

• Aug 31st, 2014

Circumference value = 2pir which means =3.14
clock wise from p where a meet b= 500m
anticlockwise b meet a from p= 400
b yet to complete=> clockwise -anti clock wise= 100m
total circle of circumference=314

• #### Who is Taller

There is a 20 X 20 array. In Each row, the shortest person is called and among them, the tallest person is A. In Each column, the shortest person is called and among them, the tallest person is B. Who is taller?

• Jan 21st, 2012

A is taller

#### sivaraj6389

• Jan 20th, 2012

A is taller

• #### What is the Amount Paid?

A, B, C, D went to a hotel and planned to share the bill equally. But afterwards they changed their plan and to pay proportional to consumption A paid 240, B & C paid equally, D paid only half the amount that he should have paid based on the first plan. What is the amount paid by B?

#### sivaraj6389

• Jan 20th, 2012

Total(x)=240+x/4+x/4+x/8(a+b+c+d)
x=(1920+2x+2x+x)/8
8x=1920+5x
8x-5x=1920
3x=1920
x=640
Amount paid by b=x/4=640/4=160

#### srikanth

• Sep 30th, 2011

120

• #### Subject Marks

There are 5 Sub with equal high marks. Mark scored by a boy is 3:4:5:6:7 (Not sure). If his total aggregate if 3/5 of the total of the highest score, in how many subjects has he got more than 50%?

#### Tanvi

• Nov 17th, 2012

It is cleanly mentioned in question that he has scored 3 subjects

#### Sandhya.Kishan

• May 28th, 2012

In three subjects he will get more than 50%.

• #### Prime Numbers

What is the probability of getting 2 prime nos. from 1 to 20?

#### Mark Haynes

• Feb 13th, 2012

I hit the send before I was finished, to continue: since the random picking of a number under 20 is still a independent event, the chance for picking a 2nd prime number is still the same... 40%

#### Mark Haynes

• Feb 13th, 2012

Given that there are 8 Prime Numbers under 20, and if the limit is only random numbers under 20 then there is a 40% chance of getting a prime number.

• #### Find the Speed

An Engine length 1000 m moving at 10 m/s. A bird is flying from engine to end with x sec and coming back at 2x sec. Take total time of bird traveling as 187.5s. Find the to and fro speed of the bird.

#### Sandhya.Kishan

• May 28th, 2012

Distancetravelled by the bird=2000m
time taken=187.5 sec
=375/2 sec
speed is in the ratio of 1:2
dividing the time in the ratio of 1:2
time to=375/2(2/3)=125 sec
speed=distane/time=1000/125=8 m/sec
speed in thefro direction=16m/sec

• #### A meets B

A, B and C starts from a point on a circle. A and B goes clockwise and C anticlockwise. A meets C after 88s B meets C after 110s. After how many seconds A meets B ?

#### ytk

• Jan 29th, 2012

Ans: 440s

Let velocity of A,B and C be a,b,c resp.
2(pi)r/88 = a+c
2(pi)r/110 = b+c
we have to find 2(pi)r/a-b
Ans: 440

• #### Orange Pulp

Juice contains water and orange pulp in the ratio of 3:1. For making 12l juice, How much Orange pulp will be required?

#### tryforpavan05

• Dec 17th, 2010

in 1 lt.. of juice 3/4th of water is present and 1/4 of orange...in 12 lt.. of juice 9lt of water and 3 lt of orange is present hence 3 pulps of orange are req for 12 lt juice :)

• #### Estates Will

A Father is willing his estates like this. If a boy is born, wife has 1/3 part and remaining for boy. If a girl is born, Wife has 2/3 and remaining for the girl. But twins (Boy + Girl) are born. What is the share that the daughter would get?

#### maxz2008

• Oct 26th, 2010

The daughter will remaining get 2/3 cos the son got 1/3.

• #### Swimming People

All persons know either swimming or rowing. There are 14 persons who know only swimming and 14 persons who know only rowing. 8 tickets sold for rowing. How many people are there for swimming?

#### kingindanger

• Sep 19th, 2010

6 swimming people

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