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- Question
In a class of 60 students, the number of boys and girls participating in the annual sports is in the ratio 3 : 2 respectively. The number of girls not participating in the sports is 5 more than the number of boys not participating in the sports. If the number of boys participating in the sports is 15, then how many girls are there in the class?
Options- A. 20
- B. 25
- C. 30
- D. Data inadequate
- E. None of these
- Correct Answer
- 30
ExplanationLet the number of boys and girls participating in sports be 3x and 2x respectively.Then, 3x = 15 or x = 5.
So, number of girls participating in sports = 2x = 10.
Number of students not participating in sports = 60 - (15 + 10) = 35.
Let number of boys not participating in sports be y.
Then, number of girls not participating in sports = (35 -y).
Therefore (35 - y) = y + 5 ⟺ 2y ⟺ 30 ⟺ y = 15.
So, number of girls not participating in sports = (35 - 15) = 20.
Hence, total number of girls in the class = (10 + 20) = 30.
More questions
- 1. Statement:
Politics has become mudslinging at your opponents when out of power and taking revenge while in power.
Assumptions:
I. Politicians have deviated from their real path.
II. Politicians have become habituated to misusing their power.
Options- A. if only assumption I is implicit.
- B. if only assumption II is implicit.
- C. if either I or II is implicit.
- D. if neither I nor II is implicit. Discuss
Correct Answer:
Explanation:
if both I and II are implicit.
- 2. Statement
Animal live on oxygen.
Conclusion
I. Plants do not live on oxygen.
II. Anything that needs oxygen is bound to be animal.
Options- A. if Conclusion I follows
- B. if Conclusion II follows
- C. if either Conclusion I or II follows
- D. if neither Conclusion I nor II follows Discuss
Correct Answer: if neither Conclusion I nor II follows
Explanation:
None of the conclusions follows. 'Animals live on oxygen' does not imply that other things do not need oxygen.
- 3. Who among the following sits exactly between Managing Director and H?
Options- A. H and the Chairman
- B. B and G
- C. The Chairman and C
- D. F and C Discuss
Correct Answer:
Explanation:
E and the Group Leader
- 4. Which one set of letters when sequentially placed at the gaps in the given letter series shall complete it?
__bbm__amb__m__a__bbm
Options- A. mbabm
- B. ambbm
- C. mabam
- D. abmab Discuss
Correct Answer: mbabm
Explanation:
The given letter series in below pattern.
m b b m
Using the same pattern, we will get complete letter series.
m b b m/ b a m b/ a m b a/ m b b m- 5. Statements:
P ? Q = R > S > T
Conclusions:
I. P ? T II. T < Q
Options- A. If only conclusion I follows
- B. If only conclusion II follows
- C. If either conclusion I or II follows
- D. If neither conclusion I nor II follows Discuss
Correct Answer: If only conclusion II follows
Explanation:
If only conclusion II follows
- 6. Release : Liberate : Emancipate
Options- A. Pardon
- B. lgnore
- C. Quit
- D. Free Discuss
Correct Answer: Free
Explanation:
All are synonyms.
- 7. (a) Leaf
(b) Stem
(c) Root
(d) Flower
Options- A. d c a b
- B. a b c d
- C. c b a d
- D. b a d c Discuss
Correct Answer: c b a d
Explanation:
Meaningful order:
(c) Root B (b) Stem B (a) Leaf B (d) Flower- 8. 32, 13, 51, 24, 46, 20, 72, 45
Options- A. 20
- B. 46
- C. 13
- D. 72 Discuss
Correct Answer: 13
Explanation:
Except 13 which is prime number rest all are composite.
- 9. NA
Options- A. Long
- B. Tall
- C. High
- D. Dim Discuss
Correct Answer: Dim
Explanation:
All other are adjectives denoting size.
- 10. Statement
Courts take too long in deciding important disputes of various department disputes of various deportment.
Courses of Action.
I. Courts should be ordered to speed up matters.
II. Special powers should be granted to officers to settle disputes concerning their department.
Options- A. if only I follows
- B. if only II follows
- C. if either i or II follows
- D. if both I and II follows Discuss
Correct Answer: if both I and II follows
Explanation:
Main problem according to the statement is delay in judgement. In this case, both courses of action will be beneficial and will improve the judicial process.
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