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Shail rai

Dec 30, 2013



Aman

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...

Oct 31, 2013



K V Balachandru

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<...

karan Sharma

Nov 1, 2013



Mathew joseph

Dec 3, 2012



Nidhi

Mar 2, 2014



Abhiram Shibu

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?



Solution:
Let tens place of the digit = x
Unit place of the digit = y
∴ Original number 'xy' =10x+y
Product of the digits = 14
⇒ x...

Gajaanan Muley

Nov 3, 2013



Mahathi shastry

Mar 4, 2015



Shail rai

Dec 30, 2013



Aman

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...

Oct 31, 2013



K V Balachandru

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<...

karan Sharma

Nov 1, 2013



Mathew joseph

Dec 3, 2012



Nidhi

Mar 2, 2014



Abhiram Shibu

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?



Solution:
Let tens place of the digit = x
Unit place of the digit = y
∴ Original number 'xy' =10x+y
Product of the digits = 14
⇒ x...

Gajaanan Muley

Nov 3, 2013