Quantitative Aptitude for SBI PO Prelims: 7th May 2018

Q2. 8 years ago, the ratio of the ages of Ruchi and Anandi was 4 : 3. If the ratio of their present ages is 6 : 5 respectively, what is the ratio of the sum to the difference of their present ages?
(a) 11 : 2
(b) 11 : 4
(c) 11 : 1
(d) 11 : 3                     
(e) 7: 11

Q3. In how many different ways the letters of word ‘COMBINATION’ can be arranged in order to keep the consonants always together? 
(a) 58500                                     
(b) 48000                           
(c) 64800
(d) 64400                                     
(e) 54800

Q4.  A man’s downstream swimming rate is thrice of his upstream swimming rate. If he covers 12 km upstream in 2.5 hours, what distance he will cover in 5 hours downstream?
(a) 75 km
(b) 76 km
(c) 70 km
(d) 72 km
(e) 82 km

Q5.  In a 63 litre mixture of spirit and water, the ratio of spirit to water is 5 : 4 . What amount of spirit should be added to this mixture to make the ratio of water to milk 5 : 7?
(a) 6.2 li
(b) 5.4 li
(c)  4.2 li
(d) 4.8 li
(e) 5.6 li

Directions (6-10): What should come in place of question mark (?) in the following number series?
Q6.  10,      15,      45,      270,       3240,      ?
(a) 72250
(b) 77760
(c) 75260
(d) 85280
(e) 762560

Q7.  35,      256,     451,      620,       763,     (?)
(a) 680
(b) 893
(c) 633
(d) 880
(e) 860

Q8.  130,     139,     155,      180,      216,      (?)
(a) 260
(b) 290
(c) 265
(d) 996
(e) 1008

Q9.  2890,      (?),      1162,      874,      730,     658
(a) 1684
(b) 1738
(c) 1784
(d) 1672
(e) 1678

Q10.  12,      26,      81,      328,      1645,      ?
(a) 9981
(b) 8281
(c) 7321
(d) 9876
(e) 9978


Directions (11– 15): Study the following graph carefully and answer the questions given below
Number of students enrolled in mechanical, electrical and civil branches of five different colleges in the year 2016

Q11.   Ratio of number of male to female students in electrical discipline from college B is 16: 9 and total professors in same college and in same branch is 100/9% of total female students from the same branch and same college then, find total number of professor in electrical branch from college B.
(a) 18
(b) 15
(c) 20
(d) 22
(e) 25

Q12.  If number of male student in civil branch from college D and male students in mechanical branch from college A are equal then what is the percentage of female students in mechanical branch of college A? Give that ratio of male to female students in civil branch from college D is 13: 12 
(a) 100/3%
(b) 50/3%
(c) 40/3%
(d) 22/7%
(e) None of these

 Q13. If 20% of students in civil branch from college E are transferred to civil branch of college C then find the ratio of students in civil from college C to the total students from college E now.
(a) 34/111
(b) 23/222
(c) 23/111
(d) 34/113
(e) None of these

Q14. Average of students in electrical branch from all colleges are what percent less/more than the average students in Civil branch from all colleges together? (Approximately) 
(a) 12%
(b) 10%
(c) 4%
(d) 9%
(e) 6%

Q15. If 20% of total students from College D, are failed in yearly exam, 75% of total students are passed from college E in yearly exams then what will be total students in college D and E together in year 2017 if 400 more students are enrolled in 2017 from both colleges D and E together (consider both colleges were opened in 2016 and enrollment is cancelled when a student fails in exam) 
(a) 2340
(b) 2900
(c) 2440
(d) 2800
(e) 2250

• Quantitative Questions for upcoming Banking and Insurance Examinations
• Study Notes of Quantitative Aptitude
• Practice More Data Interpretation Questions
• Quantitative Aptitude Section Strategy