#31
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It is intercepting eliminating, I just forgot to put its values. Let me post it again.
x^2+y=9, x^2-y=1 In order to know the value of y, I change the sign of below equation I.e minus into plus and plus into minus: x^2+y=9 -x^2+y=-1 --------------- 0+2y=8 Y=4 But in book, its answer is 5. Please solve it. This question came in AD FIA. |
#32
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Quote:
__________________
In order to succeed, your desire for success should be greater than your fear of failure.... |
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Greenboat (Thursday, September 22, 2016) |
#33
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Six men earn as much as 7 women as 3 boy & 4 boys as much as 5 girls. If a girl earns eight Annas a day, what man does a man earn a day?
Ans is 1.78.....How? |
#34
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If Px Px P~
------------------- 3, p=? Px P xP And is +/-3 Please elaborate it. |
#35
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Quote:
# of feet 2*50=100 4*45 = 180 4*8 = 32 which is 100+180+32= 312 feet # of head 50+45+8 = 103 difference between feet and head = 312-103 = 209 they said 224 more hon so if we had 15 keepers then head becomes 103+15= 118 and feet become 312+30= 352 352-118 = 224 |
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Greenboat (Thursday, September 22, 2016) |
#36
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Quote:
90 minutes = 120 km it means 1.33 km in one minute 1.33 * 20 = 26.66 km |
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Greenboat (Thursday, September 22, 2016), qublai khan (Thursday, September 22, 2016) |
#37
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The following questions were asked in twice AD FIA & IB by FPSC with different values. Please solve them:
14 persons earn Rs.400 in in 10 days. How many persons are required to earn 600. Ans. is 21....How? 6 persons complete a work in 16 days , 8 persons will complete the job in how many days? Ans is 12...How? 4 masons build as wall 4 feet high in four hours. How many feet high wall can one meason build in one hour? Ans. is 1/4 feet...How? |
#38
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Simple questions
Quote:
1 person earns amount = 400/14 = 200/7 Lets suppose x Person earn 600 Then 1 person earns: 600/x = 200/7 Cross multiplying gives: 600/200 = x/7 ----> x = 7 * 3 = 21 --------------------------------------------------------------------- 6 people build wall in 16 days 1 person will build wall in = 16 * 6 = 96 days 8 person will build same wall in = 96/8 = 12 days ---------------------------------------------------------------------- Height of wall built by 4 masons in 4 hours = 4 ft Height of wall built by 4 masons in 1 hours = 4 ft/4 = 1 ft Height of wall built by 1 masons in 1 hours = 1/4 ft ---------------------------------------------------------------------- These were quite simple questions By the way
__________________
In order to succeed, your desire for success should be greater than your fear of failure.... |
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Greenboat (Friday, September 23, 2016) |
#39
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#40
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6 men earns as much as 7 women as much as 3 boys & 4 boys as much as 5 girls. If a girl earns 8 Annas a day, what does man earn in a day?
Ans. Rs.1.78 I drove south for 6km then turned left & turned left & drove 2km & then turner right & drove 2km. How for am I from starting point? Ans. is 6km....but when I am doing it, ans comes 4km. Point x is in North of point y & point y is in east of point z. To which direction point x with replace to z? Ans is North East...But while I am done with it, getting ans East? At what time a train travelling at 50km/h will arrive at the station if it is 5km from the station at 5.00 P.M. Ans.5.06 |
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