LIC AAO Quantitative Aptitude Miscellaneous Quiz: 31st March 2019

Directions (1-5): The following bar graph shows the total no. of students (in thousands) of three different colleges over five different years. Study the carefully to answer the following questions. 

Q1. What is the average no. of students in college B over all the years?

Solution:

Q2. Total no. of students of which college is least?

Q3. The no. of students of college B in year 2008 are what percent more or less than the no. of students of college A in same year?

Solution:

Q4. What is the difference between total no. of students of college C and that of college B overall all the years?

Q5. Find the ratio of total students of college A to that of the college B over all the years:

Solution:

Q6. A jar has 40 litre milk. From the jar, 8 litres milk was taken out and replaced with an equal quantity of water. If 8 litres of the newly formed mixture is taken out of the jar, then what is the final quantity of milk left in the jar?

Solution:

Q7. 9 litres are drawn from a cask full of water and it is then filled with the same quantity of milk. 9 litres of mixture are drawn again and the cask is again filled with the same quantity of milk. The quantity of water now left in the cask to that of milk in it is 16 : 9. Find the capacity of the cask?

Solution:

Q8. Kumar purchased 320 kg of Rice at the rate of 17.60/kg and mixed it with 160 kg of rice purchased at the rate of 16.40/kg. He wants to earn a profit of Rs. 9.45 per kg by selling it. What should be the selling price of the mix. per kg?

Solution:

Q9. A person has purchased two adjacent plots, one is in rectangular shape and other is in square shape and combined them to make a single new plot. The breadth of rectangular plot is equal to the side of the square plot and cost of fencing the new plot is Rs 390 (Rs 5/meter). Find the side of square if the length of rectangular plot is 15 m.

Solution:

Q10. Four circles having equal radii are drawn with centres at the four corners of a square. Each circle touches the other two adjacent circle. If remaining area of the square is 168 cm², what is the size of the radius of the circle? (in centimeters) (take π = 22/7)

Solution:

Directions (11-15): What should come in place of question mark (?) in the following given questions (just calculate the approximate value) ? 


Q11. (17.02)² × (1.99)³ + (8.95)³ × (4.95)² = ?

Q12. 75.06% of 359.65 × (4/7) of 139.89 ÷ 7.99 =?

Solution:

Q13. 767.87 ÷ 23.96 × 15.02 - 29.98 = ? × 9.08

Q14. 55.003 × 54.998 + 5.001 = ?

Q15. 22.9782 + 9.002 - ? = 23.001

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