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Asked by 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.

Answer.

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...

Answer (2)

Asked by Shail rai

Dec 30, 2013

A train travels a distance of  480 km at a uniform speed. If the the speed had been 8 km/h less, then it would have taken 3 hours more to cover the same distance. We need to find the speed of the train.

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Answer (2)

Asked by Nada

Oct 31, 2013

a peacock is sitting on a top of the pillar which is 9 metre high from a point 27 metre away from the bottom of the pillar .A snake is coming to the hole at the base of the pillar seeing the snake the peacock pounces on it if this speeds are equal at ,what distance from the hole is the snake caught ?

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Answer (2)

Asked by 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

Answer.


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

Answer (2)

Asked by Mathew joseph

Dec 3, 2012

One fourth of a herd of camels was seen in a forest.Twice of square root of the herd had gone to mountains and remaining 15 camels were seen on the bank of a river.Find the total number of camels.

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Answer (2)

Asked by karan Sharma

Nov 1, 2013

A person on tour has Rs 360 for his expenses. If he extends his tour for 4 days, he has to cut down his daily expenses by Rs 3. Find the original duration of the tour.

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Answer (2)

Asked by Gajaanan Muley

Nov 3, 2013

An express train takes 1 hour less than a passenger train to travel 132 km/hr between Mysore and Bangalore.If the average speed of the express train is 11 km/hr more than that of passenger train,form an equation to find the average speed of the express train.

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Answer (2)

Asked by 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?

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 –...

Answer (5)

Asked by Nidhi

Mar 2, 2014

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

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Answer (3)

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<...

Answer (1)

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