how to post an image file ... somebody pls help
If a,b,c are positive real numbers such that a^2b^3c^4=6. Find the minimum value of 2a+3b+4c.
i met three persons P,Q and R, each of whom belongs to a different tribe. in the conversation, R said "i am an alta, p is not a jhutha". who among the three persons is sacha?
what will be remainder of 35!/71 ??
please explain it.
What is the approach solving such questions:
If 100^100 = a, 101^99 = b and 102^98 = c, then which of the following is true?
a a
b b
c a > b > c
d c > a > b
what is the use of favorite option?? is there a way I can see all favourite questions of mine??
If the population of village C below poverty line in 1995 was 1520, what was the population of village F in 1995??
Given
%population below poverty line for c is 38%
Population of village c- 8%
Population of village f- 13%
Options-
4000, 6000, 6500, 4800
Plz explain d ans
This is a question from Quantum Cat.Not able to understand it at all.Please post solutions with proper descriptions.(Since I am completely at sea here)
In a Nut - Bolt factory 180 workers are working 6 hours a day . Out of
180 workers there are some men, some women and rest are boys . All the
workers can produce either nut or bolt or both of them . A man can
produce 60 nuts and 80 bolts in each hour and a woman can produce 30
nuts and 60 bolts per hour. A man is thrice as efficient as a boy and
3/2 times as efficient as a women . Given that all men,all women and all
boys produce equal number of items of one kind ( i.e either nut or
bolt ) per hour. (what does this line mean?)
Q:1 Working 6 hours a day , how many nuts they can produce with 52500 bolt in each day ?
a) 17500 b) 23760 c) 50850 d) 60280 e) can't be determined
OA c)
Q:2 In how many hours can 15 men , 12 women and 8 boys produce 12000 nuts and 8200 bolts ?
a) 3 b) 4 c)5 d)6 e) 7
OA c)
Q:3 If 30 women and 50 boys can produce 5400 bolts in one hour then to
produce equal number of nuts in one hour how many men are required ?
a)30 b)40 c)50 d)60 e)70
OA a)
Q:4 If the efficiency of each boy is doubled then what is the increase in production per hour ?
a)100% b)50% c)33.33% d)25% e)10%
OA c)
Q:5 If the manager of the factory wanted equal number of men , women
and boys in his factory but the efficiency of each man , woman and boy
remains constant , then change in production is :
a)increased by 10% b)decreased by 10 % c)increased by 8.33% d)decreased by 8.33% e)Increased by 6.66%
OA c)
What is the value of k if x^3 + kx^2 + x +3 = 0 and x^3 + 2x^2 + kx + 2 have a common root ?
- b) 3
- a) -2
- c )2
- d ) either b or c
0 voters
What is the value of k if x^3 + kx^2 + x +3 = 0 and x^3 + 2x^2 + kx + 2 have a common root ?
a) -2 b) 3 c) 2 d) either b or c
Please explain the approach too . Do not have oa with me.
For the equation x^9 + 5x^8 - x^3 + 7x + 3 = 0 , how many maximum real roots are possible?
a) 3 b)5 c) 6 d) nota
Please explain the approach too, do not have oa with me.
A five letter word is formed using some of letters{a'b'h,I,p,r,s} how many are palindromes?
- 225
- 125
- 729
- 343
0 voters
If 10th April, 1963 was a wednesday,then what day of the week was on 23rd August,1959? Ans is Sunday...approach please??