Directions (1-10): Read the following table carefully and answer the question given below.
Production of T.V. by four companies in different years (in thousands) and ratio of sold and unsold T.V.
Q.1. What is the average number of sold T.V. by Sony in all the years?
Ans: Average number =256740/6 = 42790
Q.2. What is the respective ratio of number of unsold T.V. by L.G. in 2007 and number of unsold T.V. by Videocon in 2011?
Ans: Ratio = 21600 : 25800
= 36 : 43
Q.3. The number of sold T.V. by Videocon in 2011 is approximately what percent more than the sold T.V. by same company in 2010?
Ans: Increase percent = 68800/3612
= 19 (approx)
Q.4. The number of unsold T.V. by Panasonic in 2008 is approximately what percent of the sold T.V. by Sony in the same year?
Ans: Req. percent = 282000/3505
= 80 (approx)
Q.5. What is the difference between the sold T.V. by Videocon and L.G. in 2010?
Ans: Difference = 36120 – 27600
= 8520
Directions (6-10): Average marks of boys and girls in five schools A, B, C, D and E, maximum marks in each subject is 100 and number shows the number of students in respective category.
Q.6. What is the difference between the total marks of boys and girls in school C?
Ans: Difference = 80 (80 +82+60+57+62) – 20(85+85+55+57+62) = 27280 – 6880 = 20400
Q.7. In which subject in school D students got minimum marks?
Ans: English
Q.8. What is the difference between the total percentage marks in Computer and Economics in school B and C?
Ans: Difference percent
= 16360/200-15280/200
= 81.8 – 76.4 = 5.4%
Q.9. What is the difference between the average marks got by girls in all the subjects in school D and E?
Ans: Difference = 329/5-290/5 = 65.8 – 58 = 7.8
Q.10. How much total marks did girls get in all subjects in school A?
Ans: Total marks = 40 (75+70+60+65+62) = 13280
Production of T.V. by four companies in different years (in thousands) and ratio of sold and unsold T.V.
Q.1. What is the average number of sold T.V. by Sony in all the years?
Ans: Average number =256740/6 = 42790
Q.2. What is the respective ratio of number of unsold T.V. by L.G. in 2007 and number of unsold T.V. by Videocon in 2011?
Ans: Ratio = 21600 : 25800
= 36 : 43
Q.3. The number of sold T.V. by Videocon in 2011 is approximately what percent more than the sold T.V. by same company in 2010?
Ans: Increase percent = 68800/3612
= 19 (approx)
Q.4. The number of unsold T.V. by Panasonic in 2008 is approximately what percent of the sold T.V. by Sony in the same year?
Ans: Req. percent = 282000/3505
= 80 (approx)
Q.5. What is the difference between the sold T.V. by Videocon and L.G. in 2010?
Ans: Difference = 36120 – 27600
= 8520
Directions (6-10): Average marks of boys and girls in five schools A, B, C, D and E, maximum marks in each subject is 100 and number shows the number of students in respective category.
Q.6. What is the difference between the total marks of boys and girls in school C?
Ans: Difference = 80 (80 +82+60+57+62) – 20(85+85+55+57+62) = 27280 – 6880 = 20400
Q.7. In which subject in school D students got minimum marks?
Ans: English
Q.8. What is the difference between the total percentage marks in Computer and Economics in school B and C?
Ans: Difference percent
= 16360/200-15280/200
= 81.8 – 76.4 = 5.4%
Q.9. What is the difference between the average marks got by girls in all the subjects in school D and E?
Ans: Difference = 329/5-290/5 = 65.8 – 58 = 7.8
Q.10. How much total marks did girls get in all subjects in school A?
Ans: Total marks = 40 (75+70+60+65+62) = 13280