Rosy and Marry play a game. They roll a dice each simultaneously. If both faces bear the same number, it is called a doublet. In three rolls with the pair of dice, what will be the probability of getting a doublet at least once? 1. 21/216 2. 91/136 3. 22/197 4. 91/216 5. 1/2
Find the number of integral solutions of inequality ||5 - x| + |x + 2| + |x - 1||
Three letters are written to different persons and addresses on the envelopes are also written. Without looking at the addresses, find the probability that the letters will go to the right person.
1/27
1/6
1/9
1/8
If f(x)=1/{1+2^(1-2x)} then the value of f(x) + f(1-x)= .....?
If f(x)=1/{1+2^(1-2x)} then the value of f(x) + f(1-x)= .....?
@rgvcat_2013 @sagarcat @Dexian can you explain mutually independent and dependent cases in PnC? And when to ADD or MULTIPLY when using counting method (with an example).
X, Y , Z are three quantities. X varies inversely with Y when Z is constant. Y varies inversely with Z when X is constant. When Y=8, and Z=7, X=30. Find X if Y=16 and Z=21.
A) 5
B) 8
C)10
D)15
1...5...15...40....???
compltete the series
DS QUESTION>>
In a trapezoid PQRS, PS is parallel to QR. PQ and SR are extended to meet at A. What is the value
of angle PAS?
I. PQ = 3, RS = 4 and angle QPS = 60°
II. PS = 10, QR = 5
ABCD is a parallelogram with ∠ABC = 60°. If the longer diagonal is of length 7 cm and the area of
the parallelogram ABCD is (15ROOT3)/2
then the perimeter of the parallelogram (in cm) is??????
Guys check this out !!!!!!!!!!!!!!!!!!!!!!!!!!!!!! how much u use ur brains !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! wonderful exercise !👏👏
Answer A: If you chose this picture, the left side of your brain is most dominant. This is because the circle has a simple and recognized shape that is easy to define. Answer B: This shape is a compromise between the simple first picture and the wild picture in answer C.
The number of possible real solution(s) of y in
equation y^2 – 2y cos x + 1 = 0 is____?
A can do a piece of work in 10 days; B in 15 days. They work for 5 days. The rest of the work was finished by C in 2 days. If they get Rs.1500 for the whole work. Find the daily wages of B and C.???
(On wht parameters is wages calculated)
A alone can do a piece of work in 6 days and B alone in 8 days. A and B undertook to do it for Rs.3200. With the help of C, they completed the work in 3 days. How much is to be paid to C?
There lived a rich farmer who before his death , divided all his
property among all his daughters. The property was in the form
of gold bars,silver bars and cash.The gold bars were Rs.4000
each and silver bars were Rs.1000 each. the property was
divided as follows:
First daughter receive 20% of the total property in the form of
gold bars and Rs.25,000/- in cash . The second daughter
receive 20% of the total remaining property in the form of
silver bars and cash R.50,000/-.Each of the suceeding
daughters received equal number og gold and silver bars worth
20% of the total remaining property and cash which was
Rs.25000 more than the cash received by the previous
daughter.
1. find the total value of property.10 lakh/5l/20l/60l
2.how many daughter were there.
3.how many gold bars were there.
A floor of a room whose all sides are equal , is covered up by square tiles of sides 1 unit each. The floor consists of tiles of 2 colors namely white and black. Black colored tiles are placed on the 2 diagonals of the floor and the rest white colored. There are 81 black colored tiles.
How many tiles are there in total .?
Population of the pagalpur village is 500.Its a very poor village so sahara group organized a beneficiary cricket match for these people.The event raised Rs300000. Tickets were priced as follows:Rs 748 for malesRs 712 for ladiesRs 45 for kidsHow many males,ladies and kids were there ?
Ram, Shyam and Hari went out for a 100 km journey. Ram and Hari started the journey in Ram's car at the rate of 25 kmph, while Shyam walked at 5 kmph. After sometime, Hari got off and started walking at the rate of 5 kmph and Ram went back to pick up Shyam. All three reached the destination simultaneously. The number of hours required for the trip was
please suggest a short cut method.I already know the normal process
Unequal side of an isosceles triangle is 2 cm. medians drawn to equal sides are perpendicular to each other.Find the area
What is the sum of the coefficients of the expansion (x + 2y - 1)^6?