Quant Quiz on Probability
Q1.In a bag, there are 3 red balls’ 5 green balls and 7 blue balls. One ball is picked up randomly. What is the probability that it is neither red nor blue?
(a)11/16 (b)5/16 (c)4/11 (d)3/7 (e)None of these
Q2.A bag has 12 balls of which 4 are green balls. Three balls are drawn at random from the bag, one after the other. The probability that all three are not-green balls is
(a)4⁄27 (b)14⁄55 (c)2⁄3 (d)(1⁄3 )^3 (e)None of these
Q3.In a class of 40 students with roll no. 3 to 42. A students is picked up to tell a joke. Find the probability that the roll number of the selected student is either a multiple of 4 or 7?
(a)11⁄42 (b)2⁄5 (c)3⁄7 (d)3⁄8 (e)None of these
Q4.The probability that a student will get a laptop is 2/3 and that of getting a tab is 5/9. If the probability of getting at least one application is 4/5 . What is the probability that he will get both is
(a)31/45 (b)14/45 (c)8/45 (d)11/45 (e)None of these
Q5..A box contains 5 brown and 4 white socks. A man takes out two socks. The probability that they are of the same color is
(a)1⁄6 (b)5⁄108 (c)5⁄18 (d)4⁄9 (e)None of these
Q6.A company CEO wants to visit four plants P, Q, R and S on an official trip. The probability that he visits Q just before R is
(a)1⁄4 (b)1⁄2 (c)3⁄4 (d)1⁄12 (e)None of these
Q7.There are 10 persons, including A and B. who stand in the form of a circle. If the arrangement of the persons is at random, them the probability that there are exactly 3 persons between A and B is
(a)1⁄9 (b)7⁄9 (c)2⁄9 (d)1⁄3 (e)None of these
Q8.A box contains 6 white balls and 7 black balls. Two balls are drawn at random. What is the probability that both are of same colour?
(a)5⁄13 (b)6⁄13 (c)7⁄13 (d)6⁄7 (e)None of these
Q9..The letters A, G, L, H, U are re arranged to form the word ‘LAUGH’. Find its probability.
(a)1/5^4 (b)1/24 (c)5!/5^4 (d)1/120 (e)None of these
Q10.If the probability that a boy of class X speaks truth is 7/8 and that of a girl of class X is 9/10 , then what is the probability that both will speak truth from class X?
(a)17⁄80 (b)63⁄80 (c)79⁄80 (d)1⁄5 (e)None of these
Directions (1-6) : Study the following information and answer the questions.
Seven friends, namely Lokesh, Mannu, Namo, Ojas, Prashant, Qasim and Ritesh like different animated movies, namely Roadside Romeo, Ice Age, Frozen, Despicable Me, Lion King, Shrek and Cars, but not necessarily in the same order. Each friend also has a presentation on topics of different subjects, namely Civics, History, English, Geography, Chemistry, Physics and Biology but not necessarily in the same order. Qasim has a presentation on Civics and likes neither Frozen nor Despicable Me. The one who likes Roadside Romeo has a presentation on History. Lokesh likes Ice Age and has a presentation neither on Geography nor on Chemistry. The one who likes Cars has a presentation on Biology. Mannu has a presentation on Physics and does not like Despicable Me. The one who likes Despicable Me does not have a presentation on Chemistry. Ojas likes Lion King. Ritesh does not have a presentation on History and does not like Despicable Me. Prashant does not like Despicable Me.
Q1. On which of the following subjects does P have a presentation?
1) Chemistry 2) English 3) Biology 4) Other than those given as options 5) Geography
Q2. Four of the following five form a group Me as per the given arrangement. Which of the following does not belong to that group Me?
1) Ritesh – Cars 2) Qasim – Shrek 3) Namo – Despicable Me 4) Mannu – Frozen 5) Prashant – Ice Age
Q3. Which of the following combinations is definitely correct?
1) Namo – chemistry 2) Ritesh – History 3) Lokesh – English
4) All the given combinations are definitely correct 5) Prashant – Geography
Q4. Which of the following combinations of movie and subject is definitely correct with respect to N?
1) Despicable Me – Chemistry 2) Other than those given as options. 3) Shrek – Geography
4) Despicable Me – Geography 5) Roadside Romeo – History
Q5. Four of the following five form a group Me as per the given arrangement. Which of the following does not belong to that group Me?
1) Biology – Cars 2) Chemistry – Lion King 3) Civics – Shrek 4) English – Frozen
5) Geography – Despicable Me
Q6. Which of the following given option is not correct?
1) Shrek-Q 2) Other than those given as options. 3) Roadside Romeo-History 4) Lion king – Chemistry 5) Cars –Geography
Directions (7-10) : Each of the questions below consists of a question and two statements numbered I and II given below it. You have to decide whether the data provided in the statements are sufficient to answer the question. Read both the statements and give answer:
1) If the data in statement I alone are sufficient to answer the question, while the data in statement II alone are not sufficient to answer the question.
2) If the data in statement II alone are sufficient to answer the question. While the data in statement I alone are not sufficient to answer the question.
3) If the data either in statement I alone or statement II alone are sufficient to answer the question.
4) If the data in statement I and II together are not sufficient to answer the question.
5) If the data in both statements I and II together are necessary to answer the question
Q7. How many sons does ‘R’ have ?
I) P and U are the brother of T. S is the sister of G and U. II) S and T are the daughters of R.
Q8. Who is the tallest among six friends – Piyush, Teena, Nitin, Dhruv, Yusuf and Rajan ?
I) Piyush is taller than Dhruv and Nitin but not as tall as Teena. II) Rajan is taller than Yusuf but not as Teena.
Q9. What does ‘ri’ means in the code language ?
I) ‘ru pa ri da’ means ‘ that is great day’, ‘zo ye ro ri’ means ‘ some body is missing’.
II) ‘tu ti nic ri’ means ‘ is this your pen’ and ‘mo di chi pi’ means ‘he always likes swimming’.
Q10. J, N, T, S and V are sitting around a circular table facing centre of the table, who is sitting immediate left of S ?
I) Only N is sitting between T and V. S is sitting between T and J. II) Neither V nor T can sit on the left of S.
Answer & Explanation Direction (1-6)
Directions (Q. 1-5) : Read each sentence to find out whether there is any grammatical error in it. The error if any, will be in one part of the sentence. The number of that part is the answer. If there is no error; the answer is (5), i.e. ‘No Error’. (Ignore the errors of punctuation, if any.)
Q1. He submitted (1)/ the request for compensation (2)/ of time but (3)/ it was denied./ (4) No Error (5).
Q2. Unfortunately today many (1)/ parents cannot afford (2)/ to send its (3)/ children to school./ (4) No Error (5).
Q3. He was convinced (1)/ that he (2)/ loss the account (3)/ because of bad luck./ (4) No Error (5).
Q4. Many customers have (1)/ complained because (2)/ his goods was (3)/ inferior in quality./ (4) No Error (5).
Q5. In his opinion (1)/ every senior citizens (2)/ will benefit (3)/ from the new rule./ (4) No Error (5).
Directions (Q. 6 -10): Which of the phrases 1), 2), 3) and 4) given below should replace the phrase given in bold in the following sentences to make the sentence grammatically meaningful and correct ? If the sentence is correct as it is and no correction is required, mark 5) i.e. ‘No correction required’ as the answer.
Q6. India has many laws for regulating to use of land in urban areas.
1) regulated for using 2) to regulate the use 3) are regulating the use 4) for regulating used
5) No correction required
Q7. Mr Gates is a successful entrepreneur donated most of his wealth to charity.
1) has donated most of 2) donated mostly 3) who has donated most of 4) donates much of
5) No correction required
Q8. We are unwilling to make any concession to their demands.
1) not willing to take 2) willingly given 3) not willing in giving 4) unwilling to take
5) No correction required
Q9. Sudha was determined to get a better job, in pursuing higher studies.
1) by pursuing higher 2) in the pursuit of high 3) pursuing higher 4) to pursuit higher
5) No correction required
Q10. The surface of the road has got severe damage during the heavy rains last week.
1) getting severely damaged 2) is been damaged severely 3) has severe damage
4) was severely damaged 5) No correction required
Answers Replace ‘of’ with ‘for’. Replace ‘its’ with ‘their’. Replace ‘loss’ with ‘had lost’. Replace ‘his’ with ‘their’ and ‘was’ with ‘were’. Replace ‘citizens’ with ‘citizen’.
Replace ‘of’ with ‘for’.
Replace ‘its’ with ‘their’.
Replace ‘loss’ with ‘had lost’.
Replace ‘his’ with ‘their’ and ‘was’ with ‘were’.
Replace ‘citizens’ with ‘citizen’.
Q1. Help Menu is available at which button?
a) End b) Start c) Turn off d) Restart e) Reboot
Q2. A world wide web contains web pages ______.
a) Residing in many computers b) Created using HTML c) With links to other web pages
d) Residing in many computers linked together using HTML e) None of the above
Q3. Retail employees typically use ____________ terminals to process sales transactions.
a) sales processing b) transaction point c) automatic teller d) point of sale e) None of the above
Q4. “High Resolution” computer monitors will have_____.
a) High dpi b) Low dpi c) 256 colors d) Resolution is not measured in dpi e) None of the above
Q5. Which printer type is an impact printer?
a) Page printers b) Laser printers c) Ink-jet printers d) Dot-matrix printers e) None of the above
Q6. The……….folder retains copies of messages that you have started but are not yet ready to send.
a) Drafts b) Outbox c) Address Book d) Sent Items e) None of the above
Q7. Which of the following statements is true?
a) Microsoft Windows defines the operating environment standard for computers with Linux processors
b) Microsoft Windows defines the operating environment standard for computers with UNIX processors
c) Mac OS defines the operating environment standard for computers with Intel processors
d) Microsoft Windows defines the operating environment standard for computers with Intel processors
e) None of the above
Q8. The primary purpose of a computer is to process _____________ and convert it into information.
a) electricity b) data c) raw material d) a bit e) None of the above
Q9. What type of software must to be used to translate scanned text into a format that can be manipulated?
a) OCR b) CRT c) RGB d) MIDI e) None of the above
Q10. What does the XP stand for in Windows XP?
a) Exponential b) Experience c) Expertise d) Exchange e) None of the above
Answers 1.b 2.d 3.d 4.a 5.d 6.a 7.d 8.b 9.a 10.b
1.b 2.d 3.d 4.a 5.d 6.a 7.d 8.b 9.a 10.b