Discussion
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- Question
In a family, a couple has a son and a daughter. The age of the father is three times that of his daughter and the age of the son is half of that of his mother. The wife is 9 years younger to her husband and the brother is seven years older than his sister. What is the age of the mother?
Options- A. 40 years
- B. 45 years
- C. 50 years
- D. 60 years
- Correct Answer
- 60 years
ExplanationLet the daughter's age be x years.Then, father's age = (3x) years.
Mother's age = (3x - 9) years; Son's age = (x + 7) years.
So, x + 7 = (3x-9)/2 ⟺ 2x + 14 = 3x - 9 ⟺ x = 23.
Therefore Mother's age = (3X - 9) = (69 - 9) years = 60 years.
More questions
- 1. Find the odd one out:
Options- A. See
- B. Hear
- C. Smell
- D. Taste Discuss
Correct Answer:
Explanation:
All except think are functions performed by sense organs of the body.
- 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
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.- 3. NA
Options- A. Petrol : Car
- B. Electricity : Televsioin
- C. Ink : Pen
- D. Dust : Vaccum cleaner Discuss
Correct Answer: Dust : Vaccum cleaner
Explanation:
Except 'Dust - Vaccum cleaner' , all second things in the option come in use with help of first.
- 4. NA
Options- A. Ice cube : Cold
- B. Iron : Hard
- C. Marble : Smooth
- D. Purse : Money Discuss
Correct Answer: Purse : Money
Explanation:
In all other pairs, second denote a characteristics of the first
- 5. 16 : 56 : : 32 :?
Options- A. 96
- B. 112
- C. 118
- D. 128 Discuss
Correct Answer: 112
Explanation:
relationship is a: (7/2 a)
- 6. NA
Options- A. Sweetness
- B. Elegant
- C. Bright
- D. Beautiful Discuss
Correct Answer: Sweetness
Explanation:
All except sweetness are related with beauty but sweetness is related with taste.
- 7. NA
Options- A. Principal : School
- B. Soldier : Barrack
- C. Artist : Troupe
- D. Singer : Chorus Discuss
Correct Answer: Principal : School
Explanation:
In all other pairs, second is a collective group of the first.
- 8. NA
Options- A. Tree : Stem
- B. Face : Eye
- C. Chair : Sofa
- D. Plant : Fower Discuss
Correct Answer: Chair : Sofa
Explanation:
In all other pairs, second is a part of the first.
- 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
Correct Answer: North
Explanation:
It is clear from the diagram that Mohan is facing towards North.
- 10. N/A
Options- A. Proteins : Marasmius
- B. Sodium : Rickets
- C. Iodine : Getre
- D. Iron : Anaemia Discuss
Correct Answer: Sodium : Rickets
Explanation:
In all pairs expert (b) , deficiency of first causes the disease in second part.
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