Quantitative Aptitude Quiz For NIACL AO Prelims: 14th January 2019

Dear Aspirants,

Directions (1-5): The following questions are accompanied by three statements I or A, II or B and III or C. You have to determine which statement(s) is/are sufficient/necessary to answer the questions and mark your answer accordingly 

Q1. What is the age of the Renuka in her family?
I. Total age of Renuka, her father, her mother & her sister is 90 years.
II. Average age of Renuka, her mother and her sister is 18 years and 4 months.
III. Average age of her mother and sister is four seventh of her father’s age.

Solution:

Q2. What is the selling price of the sofa set if no discount is offered?
I. Profit earned was 20%
II. Had 10% discount been offered on selling price the profit would have been Rs. 1200.
III. Cost price is Rs. 15000.

Solution:

Q3. 12 girls and 8 children can complete a piece of work in 24 days together. How many days will it take for 12 men and 12 girls to complete the same work?
A. 2 men can do as work as 3 girls and 2 children can do together.
B. 3 girls can do as work as 6 children can do.
C. All of them together can complete the entire work in 768/67 days.

Solution:

Q4. A ball of lead 4 cm in diameter is covered with gold. If the volume of the gold and lead are equal, then the thickness of gold [given ∛2 = 1.259] is approximately

Solution:

Q5. The outer circumference of a 1 cm thick pipe is 44 cm. How much water will 7 cm of the pipe hold? (take π = 22/7)

Solution:

Directions (6-10): Find the approximate value of the following questions. 

Q6. 67.99% of 1401 – 13.99% of 1299 = ?

Solution:

Q7. 5466.97 – 3245.01 + 1122.99 = ? + 2309.99

Q8. 5998 ÷ 9.98 + 670.99 – 139.99 = ?

Solution:

Q9. -(4.99)³ + (29.98)² – (3.01)4 = ?

Q10. √3135 × √577 ÷ √255 = ? ÷ 8

Solution:

Directions (11-15): Refer to the table given below and answer the given questions. 

Table shows the 5 colony and total population and percentage of males, females and children in each colony in year 2016. Some data are missing, find the missing data to answer the given questions.

Note: Don’t treat children as male or female. Treat them separately.

Q11. If the ratio of population of females and children in colony A in year 2016 is 3 : 7, and female in colony A in year 2017 is increased by 20% from that of year 2016. Then find the total number of males and children in colony A in year 2017 so that overall population in year 2017 is same as in year 2016 ?

Solution:

Q12. If number of children in colony C in year 2016 is 180 and ratio of male and females in colony D in year 2016 is 1 : 2. Then find the difference of males in colony C and colony D?

Solution:

Q13. If total population of colony B and colony C together in year 2016 is 25% more than the total population of colony A in year 2016 and ratio of total population of colony B and colony C in year 2016 is 2 : 3. Then find the ratio of males in colony B to children in colony C in year 2016 ?

Solution:

Q14. If ratio of males of colony D in year 2016 to the females in colony A in year 2016 is 2 : 5 and population of children in colony A is increased by 20% in year 2017 from year 2016. Then find the total population of children in year 2017 in colony A ?

Solution:

Q15. If ratio of total population of colony C to colony E in year 2016 is 5 : 4. Then number of males in colony E in year 2016 is what percent more or less than the number of children in colony C in year 2016 ?

Solution:

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