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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
- 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.
- 1. Find the odd one out:
Options- A. See
- B. Hear
- C. Smell
- D. Taste Discuss
- 2. Statement:
Some dogs bark.
All dogs bite.
Conclusions:
I. Those dogs who do not bark, also bite.
II. Those dogs who do not bark, not necessarily bite.
Options- A. Only I follows
- B. Only II follows
- C. Either I or II follows
- D. Neither I nor II follows Discuss
- 3. NA
Options- A. Petrol : Car
- B. Electricity : Televsioin
- C. Ink : Pen
- D. Dust : Vaccum cleaner Discuss
- 4. NA
Options- A. Ice cube : Cold
- B. Iron : Hard
- C. Marble : Smooth
- D. Purse : Money Discuss
- 5. 16 : 56 : : 32 :?
Options- A. 96
- B. 112
- C. 118
- D. 128 Discuss
- 6. NA
Options- A. Sweetness
- B. Elegant
- C. Bright
- D. Beautiful Discuss
- 7. NA
Options- A. Principal : School
- B. Soldier : Barrack
- C. Artist : Troupe
- D. Singer : Chorus Discuss
- 8. NA
Options- A. Tree : Stem
- B. Face : Eye
- C. Chair : Sofa
- D. Plant : Fower Discuss
- 9. Mohan starts from point A and walks 1 km towards south, turns left and walks 1 km. Then he turns left again and walks 1 km. Now he is facing
Options- A. East
- B. West
- C. North
- D. South-west Discuss
- 10. N/A
Options- A. Proteins : Marasmius
- B. Sodium : Rickets
- C. Iodine : Getre
- D. Iron : Anaemia Discuss
More questions
Correct Answer:
Explanation:
All except think are functions performed by sense organs of the body.
Correct Answer: Only I follows
Explanation:
Only Conclusion I follows :
Some who bark are dogs.
All dogs bite.
It means those dogs who do not bark, also bite.
Correct Answer: Dust : Vaccum cleaner
Explanation:
Except 'Dust - Vaccum cleaner' , all second things in the option come in use with help of first.
Correct Answer: Purse : Money
Explanation:
In all other pairs, second denote a characteristics of the first
Correct Answer: 112
Explanation:
relationship is a: (7/2 a)
Correct Answer: Sweetness
Explanation:
All except sweetness are related with beauty but sweetness is related with taste.
Correct Answer: Principal : School
Explanation:
In all other pairs, second is a collective group of the first.
Correct Answer: Chair : Sofa
Explanation:
In all other pairs, second is a part of the first.
Correct Answer: North
Explanation:
It is clear from the diagram that Mohan is facing towards North.
Correct Answer: Sodium : Rickets
Explanation:
In all pairs expert (b) , deficiency of first causes the disease in second part.
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