Question 1

Total number of candidates qualified from all the states together in 1997 is approximately what percentage of the total number of candidates qualified from all the states together in 1998?

Accepted Answer

Required percentage = (720 + 840 + 780 + 950 + 870) x 100 % (980 + 1050 + 1020 + 1240 + 940) = 4160 x 100 % 5230 = 79.54% 80%.

Question 2

What is the average candidates who appeared from State Q during the given years?

Accepted Answer

Required average = 8100 + 9500 + 8700 + 9700 + 8950 5 = 44950 5 = 8990.

Question 3

In which of the given years the number of candidates appeared from State P has maximum percentage of qualified candidates?

Accepted Answer

The percentages of candidates qualified to candidates appeared from State P during different years are: For 1997 ❨ 780 x 100 ❩ % = 12.19%. 6400 For 1998 ❨ 1020 x 100 ❩ % = 11.59%. 8800 For 1999 ❨ 890 x 100 ❩ % = 11.41%. 7800 For 2000 ❨ 1010 x 100 ❩ % = 11.54%. 8750 For 2001 ❨ 1250 x 100 ❩ % = 12.82%. 9750 ∴ Maximum percentage is for the year 2001.

Question 4

What is the percentage of candidates qualified from State N for all the years together, over the candidates appeared from State N during all the years together?

Accepted Answer

Required percentage = (840 + 1050 + 920 + 980 + 1020) x 100 % (7500 + 9200 + 8450 + 9200 + 8800) = 4810 x 100 % 43150 = 11.15%

Question 5

The percentage of total number of qualified candidates to the total number of appeared candidates among all the five states in 1999 is?

Accepted Answer

Required percentage = (850 + 920 + 890 + 980 + 1350) x 100 % (7400 + 8450 + 7800 + 8700 + 9800) = 4990 x 100 % 42150 = 11.84%.

Question 6

Combining the states P and Q together in 1998, what is the percentage of the candidates qualified to that of the candidate appeared?

Accepted Answer

Required percentage = (1020 + 1240) x 100 % (8800 + 9500) = 2260 x 100 % 18300 = 12.35%.

Question 7

For which state the average number of candidates selected over the years is the maximum?

Accepted Answer

The average number of candidates selected over the given period for various states are: For Delhi = 94 + 48 + 82 + 90 + 70 = 384 = 76.8. 5 5 For H.P. = 82 + 65 + 70 + 86 + 75 = 378 = 75.6. 5 5 For U.P. = 78 + 85 + 48 + 70 + 80 = 361 = 72.2. 5 5 For Punjab = 85 + 70 + 65 + 84 + 60 = 364 = 72.8. 5 5 For Haryana = 75 + 75 + 55 + 60 + 75 = 340 = 68. 5 5 Clearly, this average is maximum for Delhi.

Question 8

The percentage of candidates qualified from Punjab over those appeared from Punjab is highestin the year?

Accepted Answer

The percentages of candidates qualified from Punjab over those appeared from Punjab during different years are: For 1997 = ❨ 680 x 100 ❩ % = 8.29%. 8200 For 1998 = ❨ 600 x 100 ❩ % = 8.82%. 6800 For 1999 = ❨ 525 x 100 ❩ % = 8.08%. 6500 For 2000 = ❨ 720 x 100 ❩ % = 9.23%. 7800 For 2001 = ❨ 485 x 100 ❩ % = 8.51%. 5700 Clearly, this percentage is highest for the year 2000.

Question 9

In the year 1997, which state had the lowest percentage of candidates selected over the candidates appeared?

Accepted Answer

The percentages of candidates selected over the candidates appeared in 1997, for various states are: (i) For Delhi = ❨ 94 x 100 ❩ % = 1.175%. 8000 (ii) For H.P. = ❨ 82 x 100 ❩ % = 1.051%. 7800 (iii) For U.P. = ❨ 78 x 100 ❩ % = 1.040%. 7500 (iv) For Punjab ❨ 85 x 100 ❩ % = 1.037%. 8200 (v) For Haryana ❨ 75 x 100 ❩ % = 1.172%. 6400 Clearly, this percentage is lowest for Punjab.

Question 10

The number of candidates selected from Haryana during the period under review is approximately what percent of the number selected from Delhi during this period?

Accepted Answer

Required percentage = (75 + 75 + 55 + 60 + 75) x 100 % (94 + 48 + 82 + 90 + 70) = 340 x 100 % 384 = 88.54% 88.5%

Question 11

The percentage of candidates selected from U.P over those qualified from U.P is highest in the year?

Accepted Answer

The percentages of candidates selected from U.P. over those qualified from U.P. during different years are: For 1997 = ❨ 78 x 100 ❩ % = 10.83%. 720 For 1998 = ❨ 85 x 100 ❩ % = 13.71%. 620 For 1999 = ❨ 48 x 100 ❩ % = 12%. 400 For 2000 = ❨ 70 x 100 ❩ % = 10.77%. 650 For 2001 = ❨ 80 x 100 ❩ % = 8.42%. 950 Clearly, this percentage is highest for the year 1998.

Question 12

What is the approximate percentage of total number of candidates selected to the total number of candidates qualified for all five states together during the year 1999?

Accepted Answer

Required percentage = (82 + 70 + 48 + 65 + 55) % (640 + 560 + 400 + 525 + 350) = ❨ 320 x 100 % 2475 = 12.93% 13%.

Question 13

What are the average marks obtained by all students together in Hindi?

Accepted Answer

As per given table graph, The total marks obtained by all students in Hindi = Marks obtained by ravi in Hindi + Marks obtained by riya in Hindi + Marks obtained by amit in Hindi +Marks obtained by kirti in Hindi + Marks obtained by prasad in Hindi + Marks obtained by tanya in Hindi The total marks obtained by all students in Hindi = 50 x (84 + 86 + 88 + 90 + 86 + 80)/100 = 50 x 514/100 = 257 The average marks obtained by all students in Hindi = 257/6 = 42.83

Question 14

If to pass in the examination the minimum marks rewired in Maths are 95 and in Social studies are 85, how many students will pass?

Accepted Answer

Pass percentage in Maths = Minimum passing marks in Maths x 100/total maths marks for math Pass percentage in Maths = 95 x 100/150 = 63.3% Pass percentage in Social studies = Minimum passing marks in Social studies x 100/total maths marks for Social studies Pass percentage in Social studies = 85 x 100/125 = 68% It is cleans from the table that Ravi and and Kirti will pass in the examination.

Question 15

Which student has scored the highest marks in all subjects together?

Accepted Answer

It is clear from the table that Kirti has scored the highest marks in all the subjects.

Question 16

What are the total marks obtained by Tanya in all the subject together?

Accepted Answer

Total marks obtained by Tanya in all the subjects = 150 x 60% + 84 + 50 x 80% + 150 x 65% + 125 x 50 + 50 x 76% Total marks obtained by Tanya in all the subjects = 150 x 60 /100 + 84 + 50 x 80/100 + 150 x 65/100 + 125 x 50/100 + 50 x 76/100 = 90 + 84 + 40 + 97.5 + 62.5 + 38 = 412

Question 17

What is the Riya's overall pereentage of marks in all subjects together?

Accepted Answer

Riya's overall percentage of Marks in all subject = (80 + 53 + 86 + 60 + 80 + 78)/6 = 437/6 ≈ 72.8%

Question 18

Which centre has the higher number of candidates?

Accepted Answer

Number of candidates : Delhi → 15000 + 17000 + 160 + 11000 + 750 = 43910 Hyderabad → 3500 + 20000 + 300 + 9000 + 1150 = 33950 Katakana → 14900 + 17650 + 70 + 1300 + 1200 = 35120 Mumbai → 17000 + 19500 + 70 + 7000 + 900 = 44470 Hence, Mumbai has the highest number of candidates.

Question 19

What is the difference between total number of officers and clerks?

Accepted Answer

Total number of officers = 2000 + 15000 + 17000 + 3500 + 14900 + 11360 + 9000 = 72760 Total number of clerk = 5000 + 17000 + 19500 + 20000 + 17650 + 15300 + 11000 = 105450 Their difference = 105450 - 72760 = 32690

Question 20

In Chennai, the number of clerks is approximately how much percent more than that of officers?

Accepted Answer

Required percentage = (11000 - 9000) x 100 /9000 = 2000/90 ≈ 22%

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