If p, q, r be positive numbers satisfying p + 1/q = 4, q + 1/r = 1, r + 1/p = 7/3, then pqr =
(1) 2/3 (2) 1 (3) 4/3 (4) 2 (5) 7/3
hey puys,it seems u have used euler's theore to get the remainder 116.
but isnt it true that it can be used only when the two numbers are coprime
here 8 and 132 are not coprime!!
Vertices of a triangle have coordinates (-2, 2), (3, 2), (x, y) and y - 2| = 1. .. What is the area of the triangle?
my doubts :
given |y - 2 = 1
=> y=1 or y=3 ,
in both cases this is distant by 1 unit from given y co-ordinate (-2, 2), (3, 2) in the graph
but then what ? can we still find the area of the triangle ? my main doubt is i cant form the triangle . i cant visualize the triangle . where is the triangle formed ?
janvats SaysWhat is the remainder when 8^643 is divided by 132?
Q) f(x+y) =f(x)f(y) for all "x" and "y".
f(x) = 1+x*g(x) where limit g(x) = T (x-->0) where T is a positive integer.
If fn(x) = kf(x) then k is equal to:
A) T
B) T^n
C)logT
D)(logT)^n
fn refers to nth derivative of the function or thats what I think it refers to. Its a XAT 2005 problem. U can check it if you have the same.
A number is known as multiplicatively perfect if it is equal to the product of its positive divisors ( except 1 and the number itself).
For example, 15 is such a number because 15 = 3 5.
How many two digit multiplicatively perfect numbers are there?
(a) 28
(b) 30
(c) 32
(d) None of these
:w00t:....Edited
There are 10 bags each bag contain each bag contain 10 ball of 100 gms . but one of these bag contain ball of 90 gms. Each bag contain same color ball and every bag contain diffrent color ball then another bag's ball. You are allowed to wieght some / one / all balls once using elctronic wieghing machine and you has to find which bag has 90gms ball.
Dats right but m asking how do we calculate for powers in decimals 1.05^1.2
How to go about it
There are 10 students out of which three are boys and seven are girls. In how many different ways can
the students be paired such that no pair consists of two boys?
(1) 630 (2) 1260 (3) 105 (4) 210 (5) None of these
3.If a,b,c,d are each +ve, a+b+c+d=8,a^2+b^2+c^2+d^2=25 and c=d ..Then what is the greatest value of c..?
(A)1/2 (B) 3/2 (C) 5/2 (D) 7/2
how to solve such kind of problems??