Quantitative Aptitude For NIACL AO Prelims: 19th January 2019

Dear Aspirants,

Directions (1-3): Compare the value (only magnitude) of 2 quantities given in the question and give answer 

Q1. Quantity 1: Extra no. of men included in the work. 40 men could have finished the whole project in 28 days, but due to the inclusion of a few more men, work got done in ¾ of the time.

Quantity 2: Abby’s age two years ago. The sum of present ages of Ria and Abby is 48 years. Today Abby is 4 years older than Shweta. The respective ratio of the present ages of Ria and Shweta is 4 : 7.

Solution:

Q2. Quantity 1: Sum of Manish’s and Suresh’s scores. Average score of Rahul, Manish and Suresh is 63. Rahul’s score is 15 less than Ajay and 10 more than Manish. If Ajay scored 30 marks more than the average score of Rahul, Manish and Suresh. 

Quantity 2: Selling price of Mayank. Sharad sells some articles to Chandra at a profit of 20%. Chandra now sells this article to Mayank at a loss of 30% and Mayank sells this article at a profit of 20%. CP of Chandra is Rs 150.

Solution:

Q3. Quantity 1: Length of train B. Train A, travelling at 90 kmph, overtook train B, traveling in the same direction, in 5 seconds. If train B had been traveling at twice its speed, then train A would have taken 15 seconds to overtake it. Length of train B is half the length of train A.

Quantity 2: Shilpa’s present age. The sum of Shilpa’s age after 4 years and Raghu’s age 4 years ago is 63 years and respective ratio between the Shilpa’s age four years ago and Raghu’s age after 3 years is 10: 21.

Solution:

Q4. In how many different ways can the letter of the word ‘CREATE’ be arranged ?

Q5. If the numerator of a fraction is increased by 250% and the denominator is increased by 150%. The resultant fraction is what percent of original fraction ?

Solution:

Directions (6-10): The following pie chart and table show the percentage distribution of ‘D’ grade employee and percentage of employees who have higher education in them respectively in five different departments of central government. Study the graphs carefully and answer the questions that follow: 

Q6. What is the difference between number of employees in Home Ministry and MHRD who do not have higher education?

Solution:

Q7. What is the ratio of number of employees in Defense Ministry who have higher education to the number of employees in MHRD who do not have higher education?

Solution:

Q8. Find the average number of employees in Home Ministry, MHRD and Social welfare together who have higher education.

Solution:

Q9. Number of employees in Home Ministry who do not have higher education is approximately what percent more or less than the number of employees in Defense Ministry who have higher education ?

Solution:

Q10. If 25% employees who have higher education in Defense Ministry, MHRD and Irrigation Department together got promoted, then find the total number of employees who got promoted in these departments together.

Solution:

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

Q11.

Solution:

Q12. 16.5% of 300 + 70.5% of 1400 – 10% of 480 = ?

Q13. 9898 + 1073 – 1882 × 3 ÷ 2 =?

Q14.

Solution:

Q15.

Solution:

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