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self Math Questions and Answer Page 328

(#M40000546) SELF QUESTION Keep an EYE

A circular dartboard of radius 1 foot is at a distance of 20 feet from you. You throw a dart at it and it hits the dartboard at some point Q in the circle. What is the probability that Q is closer to the center of the circle than the periphery?
a) 0.75
b) 1
c) 0.25
d) 0.5

Sayan Bera (14 years ago)

Solved S Ranjith Kumar Read Solution (2)

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(#M40000390) SELF QUESTION BINARY OPERATIONS Keep an EYE

PROVE{1,W,W^2}IAS A GROUP W.R.T TO MULTIPLICATION

(15 years ago)

Unsolved

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(#M40000389) SELF QUESTION BINARY OPERATIONS Keep an EYE

PROVE THAT{1,-1,I,-I}IS A GROUP W.R.T MULTIPLICATION AND ALSO FIND THEIR INVERSE

(15 years ago)

Unsolved

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(#M40000388) SELF QUESTION binary operations Keep an EYE

prove that if *is an associativebinary composition IN ASET A SUCH THA EVERY ELEMENT OF A IS INVERTIBLE THEN 8 SATISFIES HCANCELLETION LAWS

(15 years ago)

Unsolved

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(#M40000386) SELF QUESTION Solve Keep an EYE

A shop sells chocolates at re.1 each. U can exchange 3 wrappers for 1 chocolate. If u have Rs.100, how many chocolates can you totally get?

PADMASHREE (15 years ago)

Solved V.V.Ravi Teja Read Solution (9)

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(#M40000382) SELF QUESTION FIND THE NEXT ONE Keep an EYE

10,12,15,20,27,?



1)35

2)36

3)37

4)38

5)39

GUDAPATI NEERAJ KUMAR (15 years ago)

Solved C.T.Narayanan Read Solution (20)

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(#M40000381) SELF QUESTION mind game Keep an EYE

There are 100 lockers in a row that are all closed at the beginning. There are 100 students. Each student makes a pass. The first student opens the every locker door. The second student toggles (if the door is closed, you open it, if its open, you close it) every 2nd locker door (#2, #4, #6 etc) starting with locker #2. The third student toggles every 3rd locker door starting with locker #3. The nth student toggles every nth locker door starting with nth locker.
Which lockers will be open at the end?

YadeeshKumar (15 years ago)

Solved Vadivelan M Read Solution (5)

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(#M40000378) SELF QUESTION How many Chocolates? Keep an EYE

A shop sells 1 chocolate at the rate Rupee 1 each . You can exchange three warppers for one chocolate.
If you have Rs. 15, what is the maximum number of chocolates you can get?

~Sandeep~ (15 years ago)

Solved Saranya Kumar Read Solution (15)

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(#M40000347) SELF QUESTION PROBABILITY Keep an EYE

A man & his wife appear in an interview for 2 vacancies in the same post.The probability of husband's selection is (1/7) & probability of wife's selection is (1/5). what is the probability that only one of them is selected?
a)4/5
b)2/7
c)8/15
d)4/7
e)2/5
f)8/12
g)1/3
h)1/2

Eshu (15 years ago)

Solved Dr.Dipin Singh Read Solution (6)

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(#M40000346) SELF QUESTION GAME OF BILLIARDS Keep an EYE

At a game of billiards, A can give B 15 points in 60 & A can give C 20 points in 60. How many points can B give C in a game of 90?
a)30 points
b)20 points
c)10 points
d)5 points
e)0 points
f)25 points
g)14 points
h)Data insufficient

Eshu (15 years ago)

Solved Vadivelan M Read Solution (4)

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