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

Dear Aspirants,

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

Quantitative Aptitude Quiz For SBI PO 

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
Solution:

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?
Solution:

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
Solution:

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
Solution:

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
Solution:

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
Solution:

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
Solution:

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?
Solution:

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
Solution:

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

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
Solution:

Q12.
32
16
64
256
512
Solution:

Q13.
760
800
690
870
780
Solution:

Q14. (49.99)² – (8.9)² – (15.9)² = ?
2165
2000
1965
1920
1885
Solution:

Q15. 30.06% of 499 + 39.99% of 799 = ?
420
380
440
470
510
Solution:

               






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