# Posts by vaidehi

Total # Posts: 25

**Chemistry**

Oxy acetylene welding uses acetylene gas which is produced by the reaction of CaC2 with water. It also produces calcium hydroxide as a by product.Calculate the volume in liters measured at 27°C and 965 torr that would be produced from the complete reaction of 11.2 g of ...

**math**

in the given equation find the value of variable m 17m-3/2=5m+14

**math**

if a+b multiply c=7then c=?

**math**

at a shopkeper advertise buy two get one free what is the discount percent?

**math**

a two digit number * 7 is multipule by three digit number * * 3 the digit in the place are not neccessararliy the same which of the following can be the product of the two numbers ?

**math**

if one side of squre masureas (3a+2)cm and its perimerter is 44cm what is the value of varible a?

**math**

a man sell two articles at the same price on one he earn 25% profit and on other he incures 25% loss overall he gets?

**math**

please give me answers of my qutions

**math**

a man walks a distance 2 1/2 km in 30 minutes what is his speed in km/hours?

**math**

at what rate of interest a certain sum will be doubled in 8 year?

**math**

in what time a certain sum will become 3 1/4 time at 5%?

**math**

what sum will amount to rs 1116 in 4 years at 6%p.a.?

**math**

a railway train 100m long is runing at the speed of 50km/hour in what time will it pass pole near the line

**math**

a railway train 100 m long is runing at the speed of 50km/hour in what time will it pass pole near the line?

**math**

a railway train 100 m long is runing at the speed of 50km/hour in what time will it pass pole near the line?

**math**

1/3and2/3 of the property costs 600 and 1200 respectivly what is the cost of total property

**math**

if 4/5 th strenght of a class is 80. what is the total strength of a class?

**math**

sunita is 5year older than kavita the sum of thair age after 10 year will be 55year their present age is kavita 15 year and sunita 20 year how?

**math**

7.49plus2.05divide0.50less0.59

**math**

if 3/4 of property cost rs 15000 what is the cost of 1/2

**math**

if the perimeter of rectangle is 50cm and its length is 5 cm greater than its breadth find its area please give answers with method

**math**

if the lenght of rectangle is 20cm and bridth is 5cm find the side of square which is equiangular with the rectangle

**math**

a wire of 100cm is bent to from a squre. if a rectangle is formed with same wire having length 5cm more and breadth 5cm less than each side of the square find the difference between the area of the squre and rectangle

**math**

tiles are fitted on the ground of a rectangle hall having length 5m and breadth4m find the number of tiles if they are square shaped having each side 25cm

**math**

the floor of a room is rectangle in shape its length is 5 meter and breadth is 4 mete. the area of its four walls is 108 sq.m. find its height