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Jun 21, 2014

#### Two water tap together can fii a tank in 75/8hours. The tap of larger diameter taker 10 hours less than smaller one to fill the tank separately. Find the time in which each tap can separately fill the tank.



Let the tap of the larger diameter fills the tank alone in (x – 10) hours.
In 1 hour, the tap of the smaller diameter can fill 1/x part of the tank.
In 1 hour, the tap...

Dec 30, 2013



Oct 31, 2013



Oct 12, 2013

#### How to split the middle term which has a large number in the constant place. 1. 7x2 - 98x+ 336 = 0



Consider, 7x2 – 98x + 336 = 0
First find the product of 7x2<...

Dec 3, 2012



Nov 1, 2013



Nov 3, 2013



Feb 27, 2014

#### A two digit number is such that the products of its digits is 14, when 45 is added to the number digits interchange their place. find the number?



Let the no. be 10x+y
ATQ
xy=14
Therefore y=14/x
10x+y+45= 10y+x
9x-9y+45=0
x-y+5=0
x-14/x+5=0
x-14+5x =0
(x + 7)(x –...

Mar 2, 2014

#### a/ax-1 + b/bx-1 = a+b



Asked by Manish uttam chand Bagdiya

Nov 24, 2013

#### At t minutes past  2 p.m. , the time needed by the minutes hands  of a clock to show  3 p.m. was found to be 3 minutes less than  t2/4( t square upon 4 ) minutes . Find t?



Given time needed by the minutes hand show (t2/4) – 3
Hence the quadratic equation becomes, (t2/4) – 3 = 60 – t
(t2 – 12)/4 = 60 – t<...

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