# Numerical Ability for SBI Clerk Prelims Exam 2018: 15th March 2018

**Dear Students,**

**Numerical Ability for SBI Clerk Prelims 2018**

**Numerical Ability 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

**Numerical Ability quiz**to help you practice with the best of latest pattern questions.

**Directions (Q.1-5): Given below is the percentage of graduate students in 5 different universities and the ratio of males to females in graduate and post graduate category. Study the table carefully and answer the following questions:**

**Note- There are only graduate and post graduate students in each University.**

**Q1. If no. of graduate female students of university S is 2000 and total no. of students of university R is 20% less than that of S, then find the total no. of post graduate students in university R?**

(a) 18 thousand

(b) 15.2 thousand

(c) 25 thousand

(d) 22 thousand

(e) 18.5 thousand

**Q2. If post graduate male in university S and P are in ratio 4 : 3, Then no. of students of university S is what percent of that of P?**

(a) 86.75%

(b) 89.25%

(c) 97.25%

(d) 87.5%

(e) 77.5%

**Q3. If there are 2.4 thousand post graduate male in university Q and 4 thousand graduate female in university S then find ratio of no. of students in university Q to the no. of students in university S?**

(a) 18 : 125

(b) 18 : 121

(c) 7 : 13

(d) 9 : 121

(e) 125 : 18

**Q4. What is approximate no. of graduate female students of university T if total post graduate female in that university is 1 thousand? (in thousands)**

(a) 2.20

(b) 1.13

(c) 1.26

(d) 0.17

(e) 0.98

**Q5. If no. of students in universities P and R is 6 and 8 thousand respectively, then graduate female students of university R is what percent less/more than post graduate male students of university P? (rounded off to two decimal places)**

(a) 26.13%

(b) 27.74%

(c) 28.89%

(d) 27.25%

(e) 31.50 %

**Solutions (1-5):**

**Q6. From the 50 litres of milk, 5 litres of milk is taken out and after it 5 litres of water is added to the rest amount of milk. Again 5 litres of mixture of milk and water is drawn out and it was replaced by 5 litres of water. If this process is continued similarly for the third time, the amount of milk left after the third replacement is:**

(a) 45 L

(b) 36.45 L

(c) 40.5 L

(d) 42.5 L

(e) 44 L

**Q7. A goldsmith has two qualities of gold, one of 24 carats and another of 32 carats purity. In what proportion should he mix both the type of gold to make an ornament of 30 carats purity?**

(a) 1 : 3

(b) 2 : 3

(c) 3 : 2

(d) 1 : 5

(e) 3 : 5

**Directions (8-10): A bag contains 5 white and 6 green balls. 5 balls are drawn at random. Find the probability that**

**Q8. 3 white and 2 green balls are chosen.**

(a) 13/18

(b) 14/81

(c) 25/77

(d) 26/77

(e) 17/77

**Q9. 2 white and 3 green balls are chosen.**

(a) 13/18

(b) 14/18

(c) 25/77

(d) 100/231

(e) 93/111

**Q10. All the 5 balls are of the same colour.**

(a) 1/66

(b) 3/49

(c) 5/66

(d) 1/49

(e) None of these

**Solutions (6-10):**

**Directions (11-15): What will come in place of (?) in the following number series?**

**Q11. 5, 54, 397, 2798, ?, 137254**

(a) 20605

(b) 19910

(c) 19605

(d) 18620

(e) 20520

**Q12. 625, 620, 613, 602, 589, 572, ?**

(a) 541

(b) 537

(c) 531

(d) 521

(e) 553

**Q13. 3, 6, 24, 144, ?, 11520**

(a) 1158

(b) 1252

(c) 1125

(d) 1152

(e) 1212

**Q14. 375000, 15000, 750, 50, 5, ?**

(a) 1

(b) 2

(c) 4

(d) 5

(e) 3

**Q15. 1, 11, 81, 411, 1241, ?**

(a) 1236

(b) 1251

(c) 1273

(d) 1237

(e) 1233