Thanks...
vyomconfused Sayshere we are finding the maximum number of 7 in 50! bcoz 7 will the the deciding factor in 2520
Quadratic Equation Level 1 q4 plz??
If the products of the roots of the equation x^2-3(2a+4)x+a^2+18a+81=0 is unity, then a can take values as
a) 3,-6
b) 10,-8
c) -10,-8
d) -10,-6
If the products of the roots of the equation x^2-3(2a+4)x+a^2+18a+81=0 is unity, then a can take values as
a) 3,-6
b) 10,-8
c) -10,-8
d) -10,-6
-10,-8
product of roots will be a^2+18a+81=1
a^2+18a+80 = 0
a= -10,-8
Please help with this one....
ques-- A lock has a code consisting of five distinct letters, from among the first 11 english letter of the alphabet. lock opens if any three letters of the code match, occuring not neccesarily in the same positions. what is the least no. of five letter codes one should try to be sure that the lock is opened?
ans-- 5
hi guys. Cam someone please help me out with questions 8,9,15 of functions LOD 1
thanks!!
hi guys. Cam someone please help me out with questions 8,9,15 of functions LOD 1
thanks!!
kindly post the questions and not question number as some of us solve them during office hours
and we don't have acccess to books..
20 workers can finish a piece of work in 30 days.After how many days should 5 workers leave the job so that the work is completed in 35 days????
A-5 days
B-10
C-15
D-20
E-25
plz explain in detail
20 workers can finish a piece of work in 30 days.After how many days should 5 workers leave the job so that the work is completed in 35 days????
A-5 days
B-10
C-15
D-20
E-25
plz explain in detail
20x=3.333
x=3.333/20
t(20x)+(35-t)x(15)=100
100/30t+(35-t)*100/40=100
100/120t=(800-700)/8
t=15
Ans. C
20 workers can finish a piece of work in 30 days.After how many days should 5 workers leave the job so that the work is completed in 35 days????
A-5 days
B-10
C-15
D-20
E-25
plz explain in detail
Let they left after working x days.
so 600=20x+15(35-x)
solve it for x.
u will get 15....or you can use options also.
ziddi armaan Saysanswer is 60 :)
Hey,
Can u pls explain how you got the answer??
hello puys,
has anyone got the 2012 edition of Arun Sharma's book?....if yes then how different is it from the 2011 one?
Hi Puys , has anybody got the solution for the qn no 11 in review test 3 of chapter geometry and mensuration ?? If yes then please explain it to me . I am not able to attach the image here due to some teechinical reasons
hi...m new to pagalguy..juz wanna noe is arun sharma for quant is manageable to begin with??o i shud start with sum other material..
There are two spheres and a cube . The cube is inside the bigger sphere and the smaller sphere is inside the cube . Find the ratio of surface areas of the bigger sphere to the smaller sphere ?
3:1
2:1
4:1
2:1
kirtivardhan Sayshi...m new to pagalguy..juz wanna noe is arun sharma for quant is manageable to begin with??o i shud start with sum other material..
: : : : : : :yes it will suffice don't worry
:cheers: :cheers:
Hey friends please help me with this question -
Starting with 1 i write all natural numbers and formed a huge number. Find the 19282th digit from the left hand side of such number formed
Hi Puys , m not getting the solution to this one :
In triangle ABC AD=3CD and E lies on BD , DE=2BE . What is the ratio of area of triangle ABE and area of triangle ABC
Hi Puys,
Can u please help me formulate the Venn Diagram for the data mentioned below,
In a survey among all the students in the IIM's, it was found that 48% prefferred coffee, 54 % liked tea and 64% smoked. Of that total, 28% liked coffee and tea, 32% smoked and drank tea and 30% smoked and drank coffee. Only 6% did none of these. The total number of students is 2000.
A question on set heory from Arun Sharma. Please explain as well puys
Circles are drawn with four vertices as the centre and radius equal to the side of a square. If the square is formed by joining the mid points of another square of side 2root(6), find the common area to all the four circles.
Geometry Arun Sharma LOD 2 Q 43
Geometry Arun Sharma LOD 2 Q 43