Hereby we have provided the solution of the Saturday CSAT Quiz #2. If you not yet attempted the quiz, first attempt the quiz on the link given below.
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Read the following and answer the questions based on the information given.
Eight friends – A, B, C, D, E, F, G, and H live on eight different floors of a building but not necessarily in the same order. The lower most floor of the building is numbered one, the one above that is numbered two and so on till the topmost floor is numbered eight.
“A” lives on floor numbered five. Only two people live between A and H. C lives immediately above D. C lives on an odd numbered floor. Only one person lives between D and F. Only two people live between F and G. B lives on an odd numbered floor but not the lowermost floor. E lives on any of the floors above B.
Solution: As A occupies 5th floor , H lives either on 2nd or 8th floor. Probability of C is in 1st, 3rd and 7th floor. D can occupy either 2nd or 6th floor.
If suppose D is in 2nd floor, H has to occupy topmost, 8th floor. This will put C in 3rd floor. As B lives in odd number floor and not in lowermost floor, only position left for B is 7th floor. If we keep B here, position of E will not be satisfied as E lives above B which is already occupied by H. Therefore this is not possible and hence, D lives on 6th floor and C on 7th(above D). F will be on 4th floor and G on ground floor. B can only occupy 3rd floor and as E lives above B, it can only occupy 8th floor. H, thus will be in 2nd floor. The final arrangement is:
Q.1) Who lives on the topmost floor (i.e. floor numbered eight)?
Q.2) Who live exactly between the floors on which D and E live?
d) No one
Q.3) Consider the following statements:
1. Doing well in CSAT implies doing well in PCS.
2. A good PCS result ensures that you get into one of the IAS or IPS.
3. Poor CSAT results do not get you commissioned into any of the civil services.
Which of the following conclusions is valid, based on the above statements?
a) Doing poorly in CSAT always implies doing poorly in PCS.
b) Good CSAT result ensures that one gets commissioned into civil services.
c) Getting commissioned to IAS or IPS means that one has done well in CSAT.
d) Anyone getting commissioned in civil services is guaranteed to get either IAS or IPS.
Explanation- Getting commissioned to IAS or IPS means good PCS result. A good PCS result implies doing well in CSAT.
Q.4) While pointing towards his son, a person says to a woman that his mother is your mother’s only daughter. What is the relationship between that person and woman?
d) None of the above
Explantion- Man is talking to mother of his son only and therefore they both are husband and wife.
Q.5) Ram started a shop after investing 30,000 Rs. After two months Shyam invested 45000 Rs. In the shop and became a partner. After the end of year, there was the profit of 54000 Rs. What was the profit of Ram?
a) 24000 Rs.
b) 30000 Rs
c) 36000 Rs
d) None of the above
Explanation: Distribution of profits wilp be in ratio= Ram:Shyam
Ram’s profit= 4/(4+5)xTotal profit= 4/9×54000= 24000 Rs
Q.6) A bell rings every 18 minutes. A second bell rings every 24 minutes. A third bell rings every 32 minutes. If all the three bells ring together at 8 am, when will they next ring together?
a) 12 minutes after noon
b) 4 minutes before noon
c) 12 minutes before 1 pm
d) 4 minutes after 1 pm
Explanation: LCM of 18, 24 and 32=288 minutes or 4 hours 48 minutes… Bell will ring at =8+4 hours 48 mins= 12:48 Pm or 12 minutes before 1 PM
Q.7) If x% of y is twice z% of y, what could be the value of x, y and z respectively?
a) 25, 100, 50
b) 66, 100, 33
c) 12.5, 25, 50
d) 37.5, 75, 100
x* Y/100= 2*z*y/100=> x=2z… Only option B matches with this notion
Q.8) All cheques are notes. All notes are tyres. All tyres are books. All books are rods.
A. Some rods are notes.
B. Some books are tyres.
Select the correct answer using the codes given below.
a) Neither conclusion A nor B is true.
b) Either conclusion A or B is true.
c) Only conclusion B is true.
d) Both conclusion A and B are true.
Some Rods are definitely notes . Statement A is correct.
Some books are definitely some tyres. Statement B is also right. Hence option D
Q.9) A team of 8 persons participated in shooting competition. The best shooter scored 85 points. If he had scored 92 points, then the average score would have been 84. How many points entire team scored?
d) None of the above
Explanation- Let the total points be X.
Subtracting highest points 85 and adding his new points
Avg. = (X+7)/8=84
On solving this we get, X=665.
Q.10) Point D is 14m towards the west of point A. Point B is 4m towards the South of point D. Point F is 9 m towards the South of point D. Point E is 7 m towards the East of point B. Point C is 4m towards the North of point E. Point G is 4m towards the South of point A.
Which of the following points are in a straight line?
a) E, G, C
b) D, B, G
c) D, C, A
d) E, G, B
Explanation- Clearly from the figure DCA are in straight line.