half of the volume of petrol and kerosene mixture of ratio 7:5 is converted into a mixture of ratio 3:1 by replacement method.while the mixture of ratio 7:5 was formed from mixture of 3:7 by adding the kerosene in it.if 240 litres petrol is required in the replacement process,what is the amount of kerosene was added to prepRE THE MIXTURE OF 7:5???? @Kurama8080 , @cristianokaka
There are how many four digits numbers abcd are possible such that a≥b≥c≥d
a. 494 b. 495 c. 714 d. 715 e. NoT
70% of the students who joined xyz last year play football, 75% play cricket, 80% play basketball and 85% play carrom. what is the minimum percentage of students who play all four games? (Post xplanation if possible):
10
20
30
40
How many composite numbers between 1 to 10000 have prime numbers of factors?
😁
N is a four-digit number beginning with 1 that has exactly two identical digits. How many such numbers are there?
2, 9, 32, 87,___, 387
Four dice are thrown simultaneouly . find the probability two of them show the same face and remaining two show different faces...........give me full and easy explanation
Hi guys. i really need an urgent favour. I have applied for xat. NOw i have to apply in xlri for courses.But they are asking for the priority of courses. cCan u pls tel me whih courses can be prioritised and in what order. the courses are Business Management, Human Resource Management, General management and Fellow programme in manaement?
Pls resond asap as today is the last date for applyin to xlri.
Q.10) How many such pairs of letters are there in the word EXPRESSION which have as many letters
between them in the word as in the alphabet?
(1) Four (2) Five
(3) Three (4) Two
(5) None of these
F(x) is a fourth order polynomial with integer coefficients and no common factor. The roots of F(x) are −2, −1, 1,
2. If p is a prime number greater than 97, then the largest integer that divides F(p) for all values of p is
A police inspector spots a thief standing 7 km away
from him on a straight road aligned in East-West
direction. The inspector is standing on the eastern
side while the thief is on the western side of the road.
On spotting the inspector the thief takes his bicycle
and tries to cut across the adjoining field by riding
away with a uniform speed of 9√2 km/hour in a
direction making an angle of 45° with the road
towards North-East. The inspector starts with his
scooter at the same instance to move with a uniform
velocity15 km/hour and catches the thief.
Time taken by the inspector to catch the thief is? share method
. In a quadrilateral ABCD, BC = 10, CD = 14,
AD = 12 and ∠CBA = ∠BAD = 60°. If AB = a + rt(b) ,where a,b are positive integers the a+b = ?
the income of the broker remains same though the rate of commission increased from 4% to 5%.
The % slump in business?
1% 8% 20% 80%
. If x = (9 + 4rt5 )^48 = [x] + f, where [x] is defined as
integral part of x and f is a faction, then x(1 - f )
equals?
The scheduling officer for a local police
department is trying to schedule additional
patrol units in each of two neighbourhoods –
southern and northern. She knows that on any
given day, the probabilities of major crimes and
minor crimes being committed in the northern
neighbourhood were 0.418 and 0.612,
respectively, and that the corresponding
probabilities in the southern neighbourhood
were 0.355 and 0.520. Assuming that all crime
occur independent of each other and likewise
that crime in the two neighbourhoods are
independent of each other, what is the
probability that no crime of either type is
committed in either neighbourhood on any given
day? share approach?
There are four machines in a factory. At exactly 8
pm, when the mechanic is about to leave the
factory, he is informed that two of the four
machines are not working properly. The
mechanic is in a hurry, and decides that he will
identify the two faulty machines before going
home, and repair them next morning. It takes him
twenty minutes to walk to the bus stop. The last
bus leaves at 8:32 pm. If it takes six minutes to
identify whether a machine is defective or not,
and if he decides to check the machines at
random, what is the probability that the
mechanic will be able to catch the last bus?
The price of the sugar increased by 32%. a family reduces its consumption so that the ex of sugar is up by 10% only. if the tot consumption before the price rise was 10 kgpm then the consumption of sugar per m at present is___________kg
8 1/3 8 1/2 8 3/4 9
Consider a square ABCD of side 60 cm. lt contains
arcs BD and AC drawn with centres at A and D
respectively. A circle is drawn such that it is
tangent to side AB, and the arcs BD and AC. What
is the radius of the circle?