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chintada annapurna

aptitiude question

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If taxi fare was Rs 1.00 for the first 1/5 mile and Rs 0.20 for each 1/5 miles thereafter. The taxi fare for a 3-mile ride wasi) Rs. 1.56(ii) Rs. 2.40(iii) Rs. 3.00(iv) Rs. 3.80(v) Rs. 4.20request to give clear explaination waitng for solution .....................

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sure,i think ds ques came in tcs right.step1:for 1st 1/5th mile means 0.2 mile cost is re1step2:for remaining 2.8 miles .for each 1/5th mile ie is remaining 2.8 miles each .2 mile cost re0.2(so remaining dist*cost of each 1/5th mile)/(cost for 1/5th mile)step3:so the total cost is re1+2.8/0.2*0.2=re3.8

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If taxi fare was Rs 1.00 for the first 1/5 mile and Rs 0.20 for each 1/5 miles thereafter. The taxi fare for a 3-mile ride wasi) Rs. 1.56(ii) Rs. 2.40(iii) Rs. 3.00(iv) Rs. 3.80(v) Rs. 4.20request to give clear explaination waitng for solution .....................

first of all we have to find how many 1/5 miles is there in 3 miles i.e 15. now for first 1/5 mile cost is 1 rupee and for next each 1/5 mile the cost is .20 so now 14*.20=2.80so the total cost is 1+2.80=3.80

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first of all we have to find how many 1/5 miles is there in 3 miles i.e 15. now for first 1/5 mile cost is 1 rupee and for next each 1/5 mile the cost is .20 so now 14*.20=2.80so the total cost is 1+2.80=3.80

well friend look 1\5 is equal to 0.20 so you have to give rs 1 for the first 0.20 mile now you are left with 14/5 mile fare and this come by converting 3 miles as 15/5. As 14/5 is equal to 2.8 so for this 2.8 miles cost comes at the rate of 0.20miles/0.20rs thus for 2.8 miles the cost is rs0.56 and the total cost is rs1.56 so answer is first.

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If taxi fare was Rs 1.00 for the first 1/5 mile and Rs 0.20 for each 1/5 miles thereafter. The taxi fare for a 3-mile ride wasi) Rs. 1.56(ii) Rs. 2.40(iii) Rs. 3.00(iv) Rs. 3.80(v) Rs. 4.20request to give clear explaination waitng for solution .....................

its 3.80

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its 3.80

ans :rs.3.80first 1/5------->rs.1 for .2 milesnext 1/5+1/5+1/5+1/5====>4/5(i.e .20+.20+.20+.20=.80 for .8 miles 1 mile=rs.1+.80=>rs.1.80next 1 mile=>1/5+1/5+1/5+1/5+1/5====>5/5(i.e 1 mile. ).20 +.20+.20+.20+.20=rs.1next 1 mile=> same as abovefinally 3 miles=1.80+1+1ans=rs.3.80

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Its very simple, yes the answer is 3.8. First we need to divide 3-mile by 1/5 and the answer you will get 15. It means there are 15, 1/5 are there in 3 miles.now, do some mulitiplication i.e, 14 * 0.2 = 2.8Since for one 1/5 it cost 1.00, so add 1 to 2.8 and the answer will be 3.80.

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Total distance travel by taxi is=3 miles
so,we can write
3miles=1/5*15
now according to prob 
1st 1/5 mile's fair is= Rs. 1 
so,
remaining miles=3-1/5=(15-1)/5=14/5
nd now 
fair is 0.20 per 1/5 mile
so 14/5 miles fair is=14*0.20=2.80
total fair=1+2.80=Rs 3.80

So the answer is Rs.3.80.

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