NIACL AO Quantitative Aptitude For Phase II: 23rd February 2019

Dear Aspirants,

Directions (1-5): Find out the wrong number in the following number series. 


Q1. 14, 29, 41, 63, 65, 131, 133

Q2. 2478, 819, 257, 84, 24, 5

Q3. 4, 6, 12, 30, 90 , 315, 1240

Q4. 289, 266, 285, 270, 281, 275, 277

Q5. 7, 13, 49, 295, 2305, 23041

Q6. A and B started a business with the investments in the ratio of 5 : 3 respectively. After 6 months from the start of the business, C joined them and the respective ratio between the investments of B and C was 2 : 3. If the annual profit earned by them was Rs. 12,300, what was the difference between B’s share and C’s share in the profit ?

Solution:

Q7. A person bought two tables for Rs. 2200. He sells one at 5% loss and the other at 6% profit and thus on the whole he neither gains nor loses. Find the cost price of each table.

Solution:

Q8. The average of the age of Sumit, Krishna and Rishabh is 43 years and the average of the age of Sumit, Rishabh and Rohit is 49 years. If Rohit is 54 years old, what is Krishna’s age?

Solution:

Q9. Pankaj bought a new house, 2% of the total price of the house will be given to broker as commission. 5% of the price of house is Rs. 2.5 lacs then what is the amount earned by the broker ?

Solution:

Q10. The difference between compound interest and simple interest on a certain sum at 10% per annum for 3 years is Rs. 124. What is the sum ?

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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