nana-nani park is a circular park of radius 100m. four poles A,B,C and D are fixed at four different points in clockwise direction( in that order) on the circumference of the garden. angle ADC=45 . sohan completed 10 rounds (too and fro) along the circumference of the garden taking path ABC. mohan walked along the circumference of the garden and took ADC. if mohan covered 3/4th the total distance covered by sohan, how many single trips did mohan take?
In a box containing 1000 bags , 100 are defective. What is the probability that out of a sample of 8 bags, none is defective. Pls explain with solution.
ABC is an equilateral triangle with side 10*rt3 cm. P is a point in the interior of the triangle selected randomly . what is the probability that area of triangle PBC is between 25*rt3 and 50*rt3cm2.
- 1/3
- 1/rt3
- 1/2*rt3
- 1/2
0 voters
Jadeja was playing with a sheet of paper which was in the shape of a rectangle, of length 16 cm and breadth 12 cm. He placed the rectangular sheet of paper flat, on the surface of a table, and then folded the rectangle along its diagonal. Find the area (in sq.cm) of the region occupied by the newly formed figure.
If a, b, c, d, e and f are non negative real numbers such that a + b + c + d + e + f = 1, then the maximum value of (ab + bc + cd + de + ef) is?
Solution A is a solution with 10% concentration while solution B is a solution with x% concentration and solution C is a solution with x2% concentration. If A and B are mixed in some ratio m : n, we get a solution with 6% concentration while if A and C are mixed in the same ratio m : n, we get a solution with 14% concentration. What is the value of x?
Some one please teach me to solve this problm.
What is the curved surface area of a conical frustum if r1 and r2 are radius and x is slant height?
I don't understand how are they getting= pie(r1+r2)x
it should be pie(r1+r2)*height (not x).(Using Trapezium formula ).
Am I missing something?
Any suggestions/links/books for clearing concepts of Geometry.
Given that a pair of natural number whose product equal the product of 2*4*6*8*...........20,how many distinct value can HCF of the two number take?
- 144
- 60
- 80
- 26
- 18
0 voters
A milk vendor sells 10 litres of milk from a can of 40 litres to a customer. He then fills the can with 10 litres of water and again sells 10 litres of the mixture to the second customer. He again fills 10 litres of water in the can and sells 10 litres of mixture to the third customer and so on. What is the amount of pure milk that the fifth customer will receive?
sorry to piss off the QA Gods here but wanted to ask something ! in algebra manytimes we have to club a equation having power upto 4 into 2 identities for easy computation. can u please help me how to do that ?
eg for those who didnt understand what i wrote above
y^4-10y^3+5y^2+100y+100=0 into (y^2-5y-14)(y^2-5y-6)+16=0. how to club like this ? somebody please help ! Thanks a lot
How many ways 5 different balls can be distributed among 3 boxes such that none of them are empty.
Approach please.
A basket contains 20 apples and 10 oranges. out of 20 apples 5 are defective. out of 10 oranges 3 are defective. two fruits selected randomly what is probability that both are apples or good fruits?
A borrowed some money from B for two years and agreed to pay an interest for 6% p.a compounded annually.A however struck a deal with B and paid back Rs 5000 at the end of the first year.Also he agreed to pay the amount now due at 8% in the second year.The interest that he paid was Rs 135 less than the interest he agreed to pay initially.How much money did A borrow from B
Find maximum and minimum of (x^2 -x +1 ) / (x^2 + x +1 ) for real values of x
.. Puys please gimme a detailed explanation ..
Is there any way other than Synthetic division and Descartes rule to find the roots of a polynomial equation ..
If A(y)=ly^2 +my +n=0, B(y)=ly^2+sy-n=0, then A(y).B(y)=0 has
a)four real roots
b)No real roots
c)Atleast two real roots
d)only two real roots