| 01. | A man earns x% on the first Rs 2,000 and y% on the rest of his income. If he earns Rs 700 from Rs 4,000 and Rs 900 from Rs 5,000 of income, find x%. | |||
| (a) 20% | (b) 15% | (c) 25% | (d) None of these | |
| 02. | The price of a Maruti Car rises by 30% while the sales of the car comes down by 20%. What is the percentage change in the total revenue ? | |||
| (a) -4% | (b) -2% | (c) +4% | (d) +2% | |
| 03. | A person who has a certain amount with him goes to market. He can buy 50 oranges or 40 mangoes. He retains 10% of the amount for taxi fares and buys 20 mangoes and of the balance, he purchases oranges. Number of oranges he can purchase? | |||
| (a) 36 | (b) 40 | (c) 15 | (d) 20 | |
| 04. | 2/5 of the voters promise to vote for P and rest promised to vote for Q. Of these, on the last day 15% of the voters went back of their promise to vote for P and 25% of voters went back of their promise to vote for Q, and P lost by 2 votes. Then, the total number of voters is ? | |||
| (a) 100 | (b) 110 | (c) 90 | (d) 95 | |
| 05. | The number of votes not cast for the Praja Party increased by 25% in the National General Election over those not cast for it in the previous Assembly Polls and the Praja Party lost by a majority twice as large as that by which it had won the Assembly polls. If a total 2,60,000 people voted each time, how many voted for the Praja Party in the previous Assembly Polls ? | |||
| (a) 1,10,000 | (b) 1,50,000 | (c) 1,40,000 | (d) 1,20,000 | |
| 06. | The rate of increase of the price of sugar is observed to be two percent more than the inflation rate expressed in percentage. The price of sugar, on January 1, 1994 is Rs 20 per kg. The inflation rates of the years 1994 and 1995 are expected to be 8% each. the expected price of sugar price on January 1, 1996 would be ? | |||
| (a) Rs 23.60 | (b) Rs 24.00 | (c) Rs 24.20 | (d) Rs 24.60 | |
| 07. | A report consists of 20 sheets each of 55 lines and each such line consists of 65 characters. This report is reduced onto sheets each of 65 lines such that each line consists off 70 characters. The percentage reduction in number of sheets is closet to | |||
| (a) 20% | (b) 5% | (c) 30% | (d) 35% | |
| 08. | To pass an examination, 40% marks are essential. A obtains 10% less than the pass marks and B obtains 11.11% marks less than A. What percent less that the sum of A’s and B’s marks should C obtain to pass the exam ? | |||
| (a) 40% | (b) 41(3/17)% | (c) 28% | (d) Any of these | |
| 09. | The hourly wages of a female labour are increased by 12.5%, whereas the weekly working hours are reduced by 8%. Find the percentage change in the weekly wages if she was getting Rs 1200 per week for 50 hours previously. | |||
| (a) +3.5% | (b) 4% | (c) 4.5% | (d) None of these | |
| 10. | Two numbers X and Y are 20% and 28% less than a third number Z. Find by what percentage is the number Y less than the number X. | |||
| (a) 8% | (b) 12% | (c) 10% | (d) 9% | |
Answers
| 1. | B | 2. | C |
| 3. | D | 4. | A |
| 5. | C | 6. | C |
| 7. | A | 8. | D |
| 9. | A | 10. | C |
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please provide detailed solution of percentage problems 02 and 03
ques 3
A no. that is divisible by both 50&40 is200
so 50 orange each for rs4 &40 Mangoes each for rs 5
10%he kept for auto left with him is 180
he bought 20mangoes ie.=100rs
left with 80rs
now 20oranges will cost 80 To him. . . .
Q2 100 increase by 30% = 130 then decreases by 20% = 104 HENCE ans = 4%
50Or=40M
5Or=4M
so 10%40M=4M so that means he can buy 36M
he bought 20M
so more he can buy 16M
16M = 20 Or
so ans 20Or
please post the detailed solution of this section
Dont you think the answer of 7th should be ‘B’.
Oops i misread
no, its correct
55 * 65 * 20 = 65 * 70 * x
x = 110/7
% = [(20 – 110/7)/20 ] * 100
Ans -> approx 21%
Can anyone explain question no. 4 ?
I took total no. of voters = 100
for P there are 40 voters and 15% went back, they went back promises so 6 left for Q,
for Q there are 60 voters and 25% went back, they went back promises so 15 left for P
for P there are 34 + 15 = 49
for Q there are 45 + 6 = 51
So, the difference is 2.
Question 4 can be solved by using options
Anybody please explain the answer of Question No. 8. as I am getting only one option i.e (B). But how it will (D)Any of these.
plz solve q.8 for me sum1?
Total increase in the price of sugar = (8 +2)=10
Now for first year,
price of sugar = 20 + 20*0.1= 22
For the second year,
New price of the sugar = 22
10% increase = 2.2′
Therefore the total price in 1996 will be 22+2.2=24.2(Ans)
#8
Ans (D) Correct
Since minimum required % so that C will pass is atleast 28%
Anything greater than that will do.
Assume total marks =100
Passing marks = 40
A marks = 36
B marks= 32.01
Now sum of A+B = 68.01
So for C to pass the exam,He can score 28.01 marks less
i.e 68.01 – 40
Therefore Minimum percentage will be 28%
and anything greater than that will also make C qualify.
please post detailed solution of percentage 02 &03
please send detailed solution of percentage 02& percentage 03
anyone please explain question 5 .asap
can anyone explain que no. 5?
5.let x votes got and y did not get by party,
x+y=260000=A
x-y=z win by z votes in previous election
party did not get 1.25y vote this time and got A-1.25y votes
1.25y-(A-1.25y)=2z lost by twice that it had won
y=(4x+2A)/9
x=7A/13
x=140000
#2 use effective percentage formula
When total income is Rs. 4000, a man earns x% on first Rs.2000 and y% on Rs.2000.
2000x/100 + 2000y/100 = 700
When total income is Rs. 5000, a man earns x% on first Rs.2000 and y% on Rs.3000.
2000/100 + 3000y/100 = 900
The equations can be simplified to
x + y = 35 and 2x + 3y = 90
Solving these two equations simultaneously, x = 15%.