[=CrAzYG33K=]

Originally Posted by msksent

For striking 7, the gap is 6. Hence for the 6 gaps, it took 7 seconds. Hence for 1 gap = 7/6 seconds.
Now to strike 10, gaps are 9. For 9 gaps, time will be 9 * 7/6 = 10.5seconds

You are the best man!!

[diya_671983]

can anybody help me how to get to the solution of the following....i know the answer but not the method........plzzzz......HELP!!


1) Consider the following statements:
Albert: Dave did it.
Dave: Tony did it.
Gug: I did not do it.
Tony: Dave lied when he said that i did it.
(a)If only one out of all above statements is true, who did it?
(b)If only one out of all above statements is false, who did it?


Problem from George Summers - (After Dinner Drink) on page 14.
Fodder, Pepsi, and Cola often eat dinner out.
(i) Each orders either tea or coffee after dinner.
(ii) If Fodder orders Coffee, then Pepsi orders the drink that Cola orders.
(iii) If Pepsi orders coffee, then Fodder orders the drink that Cola doesn't order.
(iv) If Cola orders tea, then Fodder orders the drink that Pepsi orders.
Who do you know always orders the same drink after dinner?






2)

[misswhite]

the solution is
let the min to 6'o clock be 'x'.
these 'x' min were 4 times that many min past 3'o clock(read the sentence properly),fifty min ago, to the present time..
now the equation would be, (6-3)60-50-x=4x =>130=5x =>x=26 min.

[shiks]

hey guys,
Need some urgent help!!!plz post the solns to the follwing probs by
2morrow...

1. There are 100 men in town. Out of which 85% were married,
70% have a phone, 75% own a car, 80% own a house.
What is the maximum number of people who are married, own a phone,
own a car and own a house ?
Ans: 15% (i think it shud be 70 % but d ans given is 15%).


2) There is a couple and they have many children. 7 of them dont eat
spinach. 5 ot them dont eat carrot. 6 of them dont eat beans. 4 of them
dont eat either spinach or carrot. 2 of them eat neither spinach or
beans and 3 of them eat neither carrot or beans. and 1 dont eat spinach,
carrot or beans. How many children r there in total?
Ans:9

3)2 clocks are ticking one gains 10 min in 1 hr and other loses 10 min
in 1 hr at what time 2 clocks reach same time.

4)A man was on his way to a marriage in a car with a constant speed.
After 2 hours one of the tier is punctured and it took 10 minutes to
replace it. After that they traveled with a speed of 30 miles/hr and
reached the marriage 30 minutes late to the scheduled time. The driver
told that they would be late by 15 minutes only if the 10 minutes was
not waste.Find the distance between the two towns?
Ans:120 miles

5) if a person is sitting in a exam having 30 questions (objective type)
the examiner use the formula to calculate the score is S=30+4c-w here
c is number of correct answer and w is number of wrong answer , the
examiner find the score is more than 80, tell how may questions are
correct ? if the score is little less but still more than 80 then u
wont be able to answer.
Ans:16

6) raju having some coins want to distribute to his 5 son , 5 daughter
and driver in a manner that , he gave fist coin to driver and 1/5 of
remaining to first son he again gave one to driver and 1/5 to 2nd son
and so on....at last he equally distributed all the coins to 5 daughters
how many coins raju initially have???
Ans:881

7) if deepak & suresh were going to school by cycle with 12 mile /hour
speed deepak shouted "hey suresh see the same bus of blue color that we
have seen before 20 minutes ago " suresh replied "ya this buses comes in
each 14 minutes on stop" can u find the speed of bus.
Ans: 40mph

8.Two men are going along a track of rail in the opposite direction.
One goods train crossed the first person in 20 sec. After 10 min the
train crossed the other person who is comming in opposite direction in
18 sec. After the train has passed, when the two persons will meet?
ans:72 min


9)100 Kg. Potatoes with 98% water content are dried in an oven.
The percentage of water decreases to 50 %.
What is the weight of potatoes now.
Ans:4Kg.

10).An escalator is descending at constant speed.
A walks down and takes 50 steps to reach the
bottom.
B runs down and takes 90 steps in the same time as
A takes 10 steps.
How many steps are visible when the escalator is
not operating?

Ans: 150 steps

11)A person Buy some clothes from wholesale at some discount and think when will he sale it at retailprice he get 40% profit.
But some how after selling whole clothes he feel that he get 39% lose. After searching the reason
he came to know his Weight meter ( clothe meter) is not proper .Can you tell us,
How much meter weight and is it more or less from normal.?

Plz post d solns soon......

[Smriti_behl]

Hi Everybody! This is Smriti. I have joined this thread recently. Hope it would be a great help for getting solutions to various Problems in Shakuntala Devi.

[Smriti_behl]

Could someone plz explain the solution to Shakuntala Devi's ninth problem i.e:

We all know that the hour hand and the minute hand on a clock travel at different speeds. However, there are certain occasions when they are exactly opposite to each other. Can you give a simle formula for calculating the times of these occasions?

I read the solution given in the book but cudn't get it. Could ne one explain it in a simpler way?

[ginni_22]

hey
yaar, will u plz tell that is shakuntla devi puzzles available online or not>>>
if yes,,,plz tell the link too

[Smriti_behl]

Sorry! I have no idea about availability of Shakunatal Devi's puzzles online!
MERRY CHRISTMAS to all!

[kmdivya]

hi friends

my name is divya n i m new 2 this site...i m preparing 4 infy test...if i have any questions i shl post it i n this forum i hope u guys wud surely help me

take care

[kmdivya]

hi guys i got a question for which i need a step by step solution.this is frm shakuntal devi puzzles 2 puzzle u(25 th question)

When my uncle in madura died recently ,he left a will instructing his executors to divide his estate of Rs.1,920,000 in this manner:Every son should receive three times as much as a daughter ,and that every daughter should get twice as much as their mother.
What is my aunt's share?

the answre givn isRs.49200 10/13

pls help me