Aliya
Most popular questions and responses by Aliya
maths
the boys of a school can be arranged in 12,15. and 18 equal rows and also into a a solid square.What is the least number of boys the school can have?
asked on May 15, 2012 
Maths
How many numbers greater than 200 can be formed from the digits 1,2,3,4,5 if no digits is to be repeated in any particular number?
asked on June 12, 2019 
Maths
5% of items manufactured by a machine are known to be defective is 4 out of 100 items taken randomly, find the probability that they will be deffective.?
asked on June 12, 2019 
Maths
What is the value of cos225+sin165
asked on March 22, 2019 
math
what is the meaning of 0 in the decrease of 250? and how?
asked on August 27, 2018 
Math
Prove the identity: cosx/1tanx +sinx/1cotx
asked on August 20, 2011 
physics
: stand with one arm and side of one foot pressed agaonst a wall.can you raose the other leg side ways? if not,why not
asked on December 7, 2014 
Chem Lab
I did a chem lab and have to figure out some stuff off of some data I found during the lab Weight of empty crucible and cover: 19.74 g Weight of crucible, cover and hydrated salt: 22.74 g Weight of crucible, cover and hydrated salt after 1st heating: 22.13
asked on October 8, 2012 
Chem Lab
I did a chem lab and have to figure out some stuff off of some data I found during the lab Weight of empty crucible and cover: 19.74 g Weight of crucible, cover and hydrated salt: 22.74 g Weight of crucible, cover and hydrated salt after 1st heating: 22.13
asked on October 8, 2012 
math
Prove that (secx+tanx)^2=1+sinx/1sinx Thanks in advance.
asked on August 20, 2011 
math
1. Prove the identity:cosx/1tanx+sinx/1cotx=sinx+cosx 2.Prove the identity: cosx/1+sinx+1+sinx/cosx=2secx
asked on August 20, 2011 
arif
when I tried to find solution of 1/(x3) + 1/(x9) = 1/(x2) + 1/ (x8) all terms of x are cancelled out why? Is there any rule to find solution of this?plz guide me.
asked on December 2, 2010 
math array
my grandaughter is doing array dot to dot sample make as manydifferent arrays as possible number 5 how would i go about doing a array with dots please, desperate in need to keep up with my grandaughters homework.
asked on August 17, 2009 
physics
A 40kg box of sweet cherries at 10 ° c cosisting of 30kg water and 10kg cherries is to be frozen at 30°c.Calculate the total amount of heat that needsto be removed from the cherries . The specific heat capacity of cherries is 3.43kj /kg°c. The specific
asked on November 9, 2014 
physics
A coolant fluid has a latent heat of evaporation of 234 kj/kg . If the pump rate is 2250g per minute. How much thermal heat is removed each hour?
asked on November 9, 2014 
physics
A coolant fluid has a latent heat of evaporation of 234 kj/kg . If the pump rate is 2250g per minute. How much thermal heat is removed each hour?
asked on November 7, 2014 
math
Write all possible 3 digit number whose sum of digit is 4
asked on April 11, 2017 
physics
If someone is standing on an edge of a table with a book in his hand.if he is going to fall from the este then What should he do to avoid falling from edge?
asked on December 2, 2014 
physics
The latent heat of fusion for metal is 246kj per kg. How much heat would be used by melting 10 tonnes of metal?
asked on November 9, 2014 
Science
The latent heat of fusion for metal is 246kj per kg. How much heat would be used by melting 10 tonnes of metal?
asked on November 7, 2014 
math
he boys of a school can be arranged in 12,15 and 18 equal rows and also into a solid square. what is the least number of boys that the school can have?(Hint: find LCM)
asked on May 15, 2012 
physics
;if a hoop A is made of iron & hoop B of wood are pushed at same time down to an inclined plane. find velocity of both if height of plane is 1m?
asked on January 23, 2011

English
because they are not women s
posted on September 5, 2017 
Math
77
posted on November 3, 2016 
Math
49
posted on November 3, 2016 
science
The inner planets are the planets in our Solar System that orbit closest to the sun – Mercury, Venus, Earth, and Mars.
posted on November 9, 2014 
math
Use a calculator or take out the decimal point and add it in the end. the answer is 665.98
posted on November 7, 2014 
MATH
1. 9.4°c. 2. 2.5°c
posted on November 7, 2014 
Chem Lab
I need help with these problems as soon as posible Please
posted on October 9, 2012 
Chem Lab
Calculate the weight of the water lost by heating. Calculate the percentage of water in the hydrate. Calculate the number of moles of H2O lost by heating. Calculate the number of moles of anhydrous salt. Enter the formula of the hydrated salt. Calculate
posted on October 9, 2012 
Chem Lab
Calculate the weight of the water lost by heating. These are the other post lab questions Calculate the percentage of water in the hydrate. Calculate the number of moles of H2O lost by heating. Calculate the number of moles of anhydrous salt. Enter the
posted on October 9, 2012 
chemistry
Electron Affinity: is the energy released when an electron is added to a neutral atom.
posted on August 21, 2011