# SBI PO Quantitative Aptitude (Time & Work, Approximation) For Prelims: 16th March 2019

Numerical Ability or Quantitative Aptitude Section has given heebie-jeebies to the aspirants when they appear for a banking examination. As the level of every other section is only getting complex and convoluted, there is no doubt that this section, too, makes your blood run cold. The questions asked in this section are calculative and very time-consuming. But once dealt with proper strategy, speed, and accuracy, this section can get you the maximum marks in the examination. Following is the Quantitative Aptitude quiz to help you practice with the best of latest pattern questions.

**Q1. A can complete a piece of work in 10 days. B is 33.33% less efficient than A. calculate the number of days required to both to complete the work.**

8 days

6 days

12 days

10 days

4 days

**Q2. A can do 50% more work than B can do in the same time. B alone can do a piece of work in 20 hr. A, with the help of B, can finish the same work in how many hours?**

**Q3. 20 Men can complete a piece of work in 15 days. One man starts the work and after every day one more man joins the work and this continues till the work is completed. Then, in how many days will the work be completed?**

22 days

24 days

25 days

10 days

18 days

**Q4. Three members of a family A, B and C, work together to get all household chores done. The time it takes them to do the work together is six hours less than A would have taken working alone, one hour less than B would have taken alone, and half the time C would have taken working alone. How long did it take them to do these chores working together?**

20 minutes

30 minutes

40 minutes

50 minutes

1 hr

**Q5. Mayank can do 50% more work than Shishu in the same time. Shishu alone can do a piece of work in 30 hours. Shishu starts working and he had already worked for 12 hours when Mayank joins him. How many hours should Shishu and Mayank work together to complete the remaining work ?**

6 hr

12 hr

4.8 hr

7.2 hr

6.2 hr

**Q6. Two men A and B working together complete a piece of work which it would have taken them 30 and 40 days respectively to complete if they worked separately. If they received a payment of Rs. 2100, B’s share is:**

Rs. 900

Rs. 800

Rs. 1200

Rs. 1300

None of these

**Q7. If A and B working separately can do a piece of work in 8 and 12 hours respectively. If they work alternatively every hour starting with A at 9 a.m., when will be the work completed?**

6 pm

6 : 30 pm

5 pm

5 : 30 pm

7 pm

**Q8. A and B undertook a work for Rs 350. A got Rs 150 more than that of B, when they worked together. B takes 9 days more than A, when they work individually. In how many days A and B working together can do the whole work?**

**Q9. A started a work and left after working for 3 days. Then B was called and he finished the work in**

**. Had A left the work after working for**

**, B would have finished the remaining work in 9 days. In how many days can each of them, working alone, finish the whole work?**

7.5 days, 22.5 days

7 days, 9 days

5 days, 15 days

23.5 days, 8.5 days

None of these

**Q10. A certain job was assigned to a group of men to do it in 20 days. But 12 men did not turn up for the job and the remaining men did the job in 32 days. The original number of men in the group was**

32

34

36

40

28

Solution:

Let total men were x.

∴ x × 20 = (x – 12) × 32

⇒ x = 32

∴ x × 20 = (x – 12) × 32

⇒ x = 32

**Directions (11-15): What approximate value should come in place of the question mark (?) in the following questions ? (You are not expected to calculate the exact value.)**

**Q11. 39.05 × 14.95 – 27.99 × 10.12 = (36 + ?) × 5**

22

29

34

32

25

**Q12.**

32

16

64

256

512

**Q13.**

760

800

690

870

780

**Q14. (49.99)² – (8.9)² – (15.9)² = ?**

2165

2000

1965

1920

1885

**Q15. 30.06% of 499 + 39.99% of 799 = ?**

420

380

440

470

510

**Quantitative Aptitude Study Notes for Bank Exams****100 MCQs Data Interpretation | Download Free PDF's of DI****Quantitative Aptitude Questions for all Competitive Exams**

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