Type Z Walsh
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Type Z Walsh
Which statement is true ?
On our last school trip, nobody was allowed to bring more than £20 pocket money.
Kyle bought twice as much money as George, but 10% less than Nilanni.
George has £5 more than Alex, who had £3 more than Tharani.
Nilanni bought the maximum amount
A. Tharanni bought the most money
B. Kyle brought £19
C. George brough £19
D. Alex brought £4
E. Tharanni brought £3
Please can someone tell me how to explain this one !
Many Thanks
On our last school trip, nobody was allowed to bring more than £20 pocket money.
Kyle bought twice as much money as George, but 10% less than Nilanni.
George has £5 more than Alex, who had £3 more than Tharani.
Nilanni bought the maximum amount
A. Tharanni bought the most money
B. Kyle brought £19
C. George brough £19
D. Alex brought £4
E. Tharanni brought £3
Please can someone tell me how to explain this one !
Many Thanks
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Re: Type Z Walsh
DC thinks answer is option D and has following logic.Manny0311 wrote:Which statement is true ?
On our last school trip, nobody was allowed to bring more than £20 pocket money.
Kyle bought twice as much money as George, but 10% less than Nilanni.
George has £5 more than Alex, who had £3 more than Tharani.
Nilanni bought the maximum amount
A. Tharanni bought the most money
B. Kyle brought £19
C. George brough £19
D. Alex brought £4
E. Tharanni brought £3
Please can someone tell me how to explain this one !
Many Thanks
Option A is elimated as Tharani has less than even Alex.
No body is allowed to bring more than £20. So option B is eliminated.
George had less than Kyle. So option C is eliminated.
Working back, option E is eliminated. as 3+3+5=11*2=22 where-as 20 is max.
So left with option D and the proof is in working back.
Alex 4 which could be 3+1
George which is 4+5=9
Kyle which is 9*2=18 which is 90% of £20 Nilanni could bring and we know Nilanni brought the maximum amount.
Hope I have been able to correctly describe DC logic and that this is the correct answer.
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Re: Type Z Walsh
Simply work out methodically what each child has from the details given:
1. Nilanni brought the maximum, so she has £20.
2. Kyle has 10% less than Nilanni, so she has 90% of £20, which works out at £18.
3. Kyle has 2x as much as George, so George must have £18/2, which is £9.
4. George has £5 more than Alex, so Alex must have £9-£5 = £4.
5. Alex has £3 more than Tharani, so Tharani must have £1.
Hence, the answer is D! Good luck!
1. Nilanni brought the maximum, so she has £20.
2. Kyle has 10% less than Nilanni, so she has 90% of £20, which works out at £18.
3. Kyle has 2x as much as George, so George must have £18/2, which is £9.
4. George has £5 more than Alex, so Alex must have £9-£5 = £4.
5. Alex has £3 more than Tharani, so Tharani must have £1.
Hence, the answer is D! Good luck!
Re: Type Z Walsh
Thank you both for your 2 different explanations.. I hope the real thing doesn't have these type !!
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- Location: Buckinghamshire
Re: Type Z Walsh
They are far more straightforwad than they seem.
The key to 95% of Type Z questions is to look for the fact. In this case it was "Nilanni brought the maximum", so she has £20. Everything else can be deduced from that.
Children must get used to the idea of sifting through all the verbiage, e.g.:
burbleburbleburbleburbleburbleburbleburbleburbleburbleburbleburble Susan had 3 dogs burbleburbleburbleburbleburbleburbleburbleburbleburble
Home in on that and work from there.
Very occasionally all the information is relative, e.g. above/below, taller/shorter, and a diagram is always needed to try to work those questions out.
The key to 95% of Type Z questions is to look for the fact. In this case it was "Nilanni brought the maximum", so she has £20. Everything else can be deduced from that.
Children must get used to the idea of sifting through all the verbiage, e.g.:
burbleburbleburbleburbleburbleburbleburbleburbleburbleburbleburble Susan had 3 dogs burbleburbleburbleburbleburbleburbleburbleburbleburble
Home in on that and work from there.
Very occasionally all the information is relative, e.g. above/below, taller/shorter, and a diagram is always needed to try to work those questions out.