Quantitative Aptitude For NIACL AO Prelims: 29th January 2019

Dear Aspirants,

Directions (1-5): What should come in place of question mark (?) in the following questions? 

Q1. 53, 51.4, 48.2, 41.8, ?, 3.4

Solution:

Q2. 6, 4, 5, 11, ?, 189

Solution:

Q3. 80, 68, 62, 56, ?, 29

Solution:

Q4. 117, 140, 169, 200, ?, 278

Solution:

Q5. ?, 8, 14, 38 ,98 ,218

Solution:

Directions (6-10): The given bar graph shows the total number of students in five different schools in two different years. Read the data carefully and answer the questions. 

Q6. Total number of students in school A and C together in year 2014 is what percent more/ less than the total number of students in school A and E together in year 2016.

Solution:

Q7. What is the ratio of average number of students in school A and B in year 2014 to average number of students in same school in year 2016?

Solution:

Q8. In school D, there are 55% girls in year 2014 andgirls in year 2016. Number of boys in school D in both the year is approximately what percent of the total number of girls in same school in both the year.

Solution:

Q9. Find the difference between the average of the number of students in school A, B and C in year 2016 and the average of the number of students in school B, C and D in year 2014.

Solution:

Q10. In school F the total number of students in year 2014 and 2016 together is 20% more than that in school E in both the year. Find the difference between the total number of students in school F and school B (both the years are taken together).

Solution:

Q11. Veer and Bhavya started a business by investing Rs 45,000 and Rs 50,000 respectively. At the end of the year, they decided to divide 50% of the total profit share equally and rest in the investment ratio. If they had divided entire profit share in investment ratio, Bhavya got Rs 1500 more profit than that of actual, then find the total profit share?

Solution:

Q12. 16 years hence, the age of Rashmi will be 10/13th of the age of her friend Neha and 8 years ago, the ratio of their age (Rashmi: Neha) was 4 : 7. Present age of Neha is what percent more than the present age of Rashmi?

Solution:

Q13. Three friends P, Q and R have amount in the ratio of 5 : 6 : 8. If R givesof his amount to P then the difference of the amount left with R and the average of the amount of P and Q is Rs 560. Find the ratio of their initial amount after Rs 1000 is added to each of them.

Solution:

Q14. Trains A and B are travelling at x km/hr and (x + 36) km/hr respectively. Train B crosses train A when running in the same direction inseconds. Find the sum of speed of both the trains if they pass each other in 9 seconds while running in opposite direction

Solution:

Q15. Neeraj invested Rs 10,000 at rate of interest 20% per annum. The interest was compounded yearly for the first two years and in the third year it was compounded half yearly. What will be the total interest earned at the end of the third year?

Solution:

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