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Asked by Snehil

Aug 19, 2013

due to increase in the price of sugsr by 25%,by how much percent must  a householder decrease the consumption of sugar so that there is no increase in the expenditure on sugar?

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Answer (2)

Asked by Snehil

Aug 17, 2013

A fruit-seller had some apples.He sells 40% of them and still has 420 apples.Find the number of apples he had originally.

Answer.

    60% of x= 420
60/100x = 420
60x       = 42000
x           = 42000/60
...

Answer (4)

Asked by Vineet Tripathi

Jul 30, 2013

A Sells a bicycle to B at a profit of 20% and B sells it to C at a profit of 25%,If C pays 1500,What did A pay for it?

Answer.

The CP is 125 for C, when CP for B is 100.
So, CP is 1500 for C, when CP for B = 100*1500/125  = Rs 1200 

Similarly 

Answer (15)

Asked by Principal Mahadevi beede

Dec 29, 2014

ABCD is a quadrilateral then prove that AB + BC + CD + DA < 2(AC + BD)?

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Answer (4)

Asked by Nitin

Dec 16, 2013

Find the cost of carpeting a room 13 m by 9 m with a carpet of width 75 cm at the rate of Rs 105 per metre.

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Answer (3)

Asked by Harshita

May 23, 2014

Draw a rough sketch of two triangles such that they have five pairs of congruent parts but still the triangles are not congruent.

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Answer (3)

Asked by Aman Gupta

Oct 24, 2014

How to construct 110 degree angle using ruler and compass only. please tell in simple words

Answer.

The angle you have given is not divisible by 15. and 110 is not divisible So, it can't be constructed by ruler and compass.     

Answer (11)

Asked by Shivanshuawasthi

Mar 10, 2015

The square lawn is surrounded by a path 2.5m wide. If the area of the path is 165 Sq., find the area of lawn.

Answer.

Consider the side of the lawn be x

Given width of the path = 2.5m

Side of the lawn including path = x + 2(2.5m) = x + 5m

So, area...

Answer (2)

Asked by Shirin

Mar 11, 2014

A certain freezing process requires that room temperature be lowered from 40 degree c at the rate of 5 degree c every hour. what will be the room temperature 10 hours after the process begins?

Answer.

Given that,.
room temperature is 40

Answer (6)

Find 5 rational numbers between -1 and 0

Sol:
Given numbers -1 and 0.

Rational numbers between 2 numbers a and b is ( a + b) / 2.

Rational numbers between 2 numbers -1 and 0 is

= ( -1 + 0) / 2 = -...

Answer (2)

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