Quantitative Aptitude Quiz 2015 – Set 8 – Probability and Mixed Problems



Hello and welcome to ExamPundit. Here is a set of Quantitative Aptitude Quiz for Bank Exams and Insurance Exams. The following set is based on Probability and mixed problems.

Directions—(Q. 1–5)
Study the following information carefully to answer the questions that follow—
A box contains 2 blue caps, 4 red caps, 5 green caps and 1
yellow cap.
1. If two caps are
picked at random, what is the probability that both are blue ?
(a) 1/6
(b) 1/10
(c) 1/12
(d) 1/45
(e) None of these

Solutions –
2. If four caps are
picked at random, what is the probability that none is green ?
(a) 7/99
(b) 5/99
(c) 7/12
(d) 5/12
(e) None of these

Solutions –
3. If three caps are
picked at random, what is the probability that two are red and one is green ?
(a) 9/22
(b) 6/19
(c) 1/6
(d) 3/22
(e) None of these

Solutions –
4. If one cap is
picked at random, what is the probability that it is either blue or yellow ?
(a) 2/9
(b) 1/4
(c) 3/8
(d) 6/11
(e) None of these

Solutions –
5. If two caps are
picked at random, what is the probability that at least one is red ?
(a) 1/3
(b) 16/21
(c) 19/33
(d) 7/19
(e) None of these

Solutions –
6. What would be the
compound interest accrued on an amount of Rs. 8000 at the rate of 15 p.c.p.a.
in three years ?
(a) Rs. 4283
(b) Rs. 4051
(c) Rs. 4167
(d) Rs. 4325
(e) None of these

Solutions –
7. What would be the
cost of building a fence around a square plot with area equal to 361 sq. ft. if
the price per foot of building the fence
is Rs. 62 ?
(a) Rs. 4026
(b) Rs. 4712
(c) Rs. 3948
(d) Cannot be determined
(e) None of these

Solutions –
8. The difference
between a two digit numbers and the number obtained by interchanging the two
digits of the number is 9. If the
sum of the two digits of the number is 15, then what is the original number ?
(a) 89
(b) 67
(c) 87
(d) Cannot be determined
(e) None of these

Solutions –
9. In how many different
ways can the letters of the word ‘TRUST’ be arranged ?
(a) 240
(b) 120
(c) 80 
(d) 25
(e) None of these

Solutions –
10. The ages of
Shirish and Kunder are in the ratio of 5 : 6 respectively. After 8 years the ratio
of their ages will be 7 : 8. What is
the difference in their ages ?
(a) 4 years
(b) 8 years
(c) 10 years
(d) 12 years
(e) None of these

Solutions –



Regards

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