Question

Jatin Jangra's image
Jatin Jangra
Feb. 20, 2019, 11:40 a.m.
Second Method

Answer
vicky singh's image
vicky singh
Feb. 20, 2019, 11:36 a.m.

i want to download the study material in PDF form is there any option for it ?

Answer
thani's image
thani
Feb. 20, 2019, 11:03 a.m.

Five years ago, Nuri was thrice as old as Sonu. Ten years later, Nuri will be twice as old as Sonu. How old are Nuri and Sonu ?

Answer
Sibabrata Choudhury's image
Sibabrata Choudhury
Feb. 20, 2019, 11:03 a.m.
The sum of the zeroes of the cubic polynomial  of the p(x)=3x3—5x2—11x—3 is
a) —5 
b) 11/3
c) 3
d) 5/3
Answer
KRISHNA KUMAR's image
KRISHNA KUMAR
Feb. 20, 2019, 10:48 a.m.

tan invers (x+2)+tan inverse (x-2) - tan inverse.1/2

Answer
Ranjit Singh JeetaNattian's image
Ranjit Singh JeetaNattian
Feb. 20, 2019, 9:59 a.m.

Sides ab and ac of triangle abc are extended to point p and q . Also angle pbc greater than angle qcb. Show that ac greater than ab

Answer
Maths
Poonam Sharma's image
Poonam Sharma
Feb. 20, 2019, 9:44 a.m.

Screenshot_20190220-094317.pngquestion 5

Answer
Sri Sivabagya's image
Sri Sivabagya
Feb. 20, 2019, 9:16 a.m.

a factory owner purchases two types of machines,a and b for his facorythe area occupied by machines a and b are 1000 sqm and 1200 sqm respectively. machine A requires 12 mens and machine B requires 8 men to operate it.the daily output of machine A and B are 60 units and 40 units respectively the owner has an area of 9000m^ available and 72 skilled men who can operate the machine how many machines of each type should he buy to maximise the daily output

Answer
Sri Sivabagya's image
Sri Sivabagya
Feb. 20, 2019, 9:07 a.m.

it is known that 40% of the students in a certain collage are girls and 50% of the students are above median height.if two third of the boys are above the median height,then what is the probability that a randomly selected students who is below median height is a girls?

Answer
Ramashankar Agrahari's image
Ramashankar Agrahari
Feb. 20, 2019, 8:42 a.m.

Check whether 6 raised to the power n can end with digit 0 for any natural number n

Answer
Ramashankar Agrahari's image
Ramashankar Agrahari
Feb. 20, 2019, 8:42 a.m.

Check whether 6 raised to the power n can end with digit 0 for any natural number n

Answer
Ramashankar Agrahari's image
Ramashankar Agrahari
Feb. 20, 2019, 8:38 a.m.

Check whether 6 raised to the power h can end with digit 0 for any natural number n

Answer
Maths
Salma Sakeer's image
Salma Sakeer
Feb. 20, 2019, 7:52 a.m.
  1. PROVE THAT : 2 cos π/13 cos 9π/13 cos 3π/13 cos 5π/13 =0
  2. A beam is supported at its end by supports which are 12 meters apart.Scince the load is concentrated at its centre,there is a deflection of 3 cm at the centre and the deflected beam is in the shape of a parabola.How far from the centre is the deflection 1 cm.
Answer
Maths
Madhukumar K's image
Madhukumar K
Feb. 20, 2019, 6:47 a.m.

Image.jpgplz answer this 

Answer
AALTU GOYAL's image
AALTU GOYAL
Feb. 20, 2019, 12:14 a.m.
  • In 1.1 Q. 10 (5) ;  for transitive, if (1,2) and (2,1) belong to R, then (1,1) & (2,2) must belong to R to satisfy the condition of transitive relation  , which is not there. So how is it transitive ?
Answer
Kavitha Kalarani's image
Kavitha Kalarani
Feb. 19, 2019, 11:51 p.m.
If r=2
Answer
Maths
mohammed gani's image
mohammed gani
Feb. 19, 2019, 11:07 p.m.
Can you teach in English because I am a Tamil and so that I can't understand
Answer