Any tips on how to ace the maxima minima questions relating to set theory ??
Gold can be extracted from three minerals M1, M2 and M3. M1 contains 2% gold, M2 contains 4% gold and M3 contains 6% gold. If m1, M2 and M3 are mixed in the ratio of 1:2:3 respectively and processed in a factory until concentration of Gold multiplies by 10 what percentage of impurities are removed?
93.3.
94.4
95.5
90
please post your explanation along with the answer
In traiangle ABC. There is a poingD on AB and pt E on AC. BD and CE intersect at F. DE is parallel to BC. DE is one third of BC. Area of triangle ABC is 216 cmsq. Find the area of triangle EDF.
If work done by (x-1) men in (x+1) days is to the work done by (x+2) men in (x-1) days is in the ratio 9:10, then the value of x is?
Help
Iss question kii ka equations banegi?
a box contains 20 red balls,25 blue balls,30 red balls,32 black balls. what is the minimum and maximum no. of balls that one has to draw from the box in order to be sure of having at least one ball of each of the four colours..............😁
Three distinct positive integers a, b and c are in geometric progression. (b-a) is a perfect square. What is the value of a+b+c if
log a+log b+log c/log 6 = 6?( please note the entire term is divided by log 6)
110
111
108
115
what is the probability that there are 5 mondays in the month of february 2016?
A positive whole number M less than 100 is represented in base 2 notation, base 3 notation, and base 5 notation. It is found that in all three cases the last digit is 1, while in exactly two out of the three cases the leading digit is 1. Then M equals
(1) 31
(2) 63
(3) 75
(4) 91
Find the positive integral ordered pair (x,y) that satisfy equation 3x+xy = 138-2y.
in a binomial distribution, the occurrence and the non-occurrence of an event are equally likely and the mean is 6. the no. of trials required is
post with solution
- (A) 15
- (D) 6
- (C)10
- (B) 12
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In a country, there are four types of banknotes: 5, 10, 20 and 25 unit values. Each banknote has a serial number with more than four digits. A banknote is chosen randomly. What is the probability that the sum of the four last digits of the serial number is bigger than the banknote unit value?
Note:Four banknote types, and all the serial numbers (...0000 - ...9999) can be chosen with equal probability.
Enter your answer as a simplified fraction.
In the given figure ,circle AXB passes through O the centre of circle AYB .AX and AY and BY are tangents to the circles AYB and AXB respectively.The value of y degree is??
(a)180-x
(b)1/2(90-x)
(c)90-(x/2)
(d)180-2x
hey guys
i have quant rs agarwal but i find that too easy to solve
and we cant expect thaat level of questions in CAT exam
so please suggest some books and kindly if possible can u provide me with the download link of some good books thanks in advance
Digital root is the single digit number obtained by continuously adding digits of the number till a single digit is obtained. The order of a number is the number of cycles of addition which need to be done on that number to obtain a single digit number. For example 999 has a digital root = 9 and an order 2
how many 3 digit numbers have a digital root=8 with order=1
- 21
- 36
- 45
- 28
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number of integral solutions for equation x+y+z+t=20 where x,y,z,t are all greater than equal to -1
- none
- 23C3
- 20C3
- 21C4
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if the sides of quadrillateral abcd touch a circle and ab=6cm, cd=5cm, bc=7cm then the length of ad in cm is
How many 2 digit no exist such that they divide the 3 digit no obtained by inserting a zero between the two digits?
What is the remainder when 21^22 is divided by 125?
on a certain road 10% of motorists exceed the posted speed limit and receive speeding tickets, but 20% of motorists who exceedd the posted speed limit do not receive speeding tickets .
what percent of the motorists on the road exceed the posted speed limit
options: a)21/2
b)25/2
For positive integers x and y; 3x + 8y = 68. Find the maximum value of x2y3