manpreet

If a and b are two unit vectors and θ is the angle between them, then a+b is a unit vector if θ is

if cosx=-1/2,x lies in third quadrant, find sinx.

a trader marks his goods 20% above the CP .He then sells them at a discount of 20% .If his CP is 550 what is his gain or loss and its percentage

csa of a cone is twice the other cone if the slant height of the other cone is twice of first one then the ratio of their radius is

the ratio of the length of sides of equilateral triangle to the height is ?

a metal block of length 4cm ,breadth 3cm and height 2.5 weighs 500g.what is the mass of a block of length 5cm,breadth 4cm made of the same metal.

There is a rectangular table of size 21cm ×15 cm formed by 21 × 15 small squares of side 1cm each. Number of vertices of small squares through which a diagonal of the rectangular table passes is

find the equation of the line joining the origin to the point of intersection 4x+3y=8 and x+y=1

Find the equation of the straight line passing through (3,-2) and making an angle of 60 degree with the positive direction of y-axis

(sinθ+1)/(1-sinθ) =(tanθ+secθ)²

the side of triangular park are 8m 10m 6m A small circular area of diameter 2m is to be left out and the remaining is to be used for growing roses how much area is used for growing roses

A survey is taken among customers of a fast-food restaurant to determine preference for hamburger or chicken. Of 200 respondents selected, 75 were children and 125 were adults. 120 preferred hamburger and 80 preferred chicken. 55 of the children preferred...

i think there is some error in question

VI+IV=IV

don't known

A person is running at the rate of 13.0 m/s on a horizontal street directly toward the foot of a tower 33.0 m high. How fast is the person approaching the top of the tower when 15.0 m from the foot of the tower?

he grows whea in his field.