IBPS PO 2017 Practice Test – Quant Day 8

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Q(1-5). Study the table and answer the following questions

1. In which of the village population is the highest for the year 2015?
   A. Village A
   B. Village B
   C. Village C
   D. Village D
   E. Village E
   
   Answer & Explanation

   B. Village B
   Solution:
   Population of Village A in 2015 = 47040*100/112 = 42000
   Population of Village B in 2015 = 42480
   Population of Village C in 2015 = 32000*125/100 = 40000
   Population of Village D in 2015 = 44574*100/115 = 38760
   Population of Village E in 2015 = 36600
   
   
2. Percentage increase in population from 2014 to 2016 is least in which village?
   A. Village A
   B. Village B
   C. Village C
   D. Village D
   E. Village E
   
   Answer & Explanation

   D. Village D
   Solution:
   Village A: 2014 – 35000 & 2016 = 47040
   % increase = 34%
   Village B : 2014 – 36000 & 2016 – 48852
   % increase : 35.7%
   Village C : 2014 – 32000 & 2016 – 44400
   % increase : 38.75%
   Village D: 2014 – 34000 & 2016 – 44574
   % increase = 31.1%
   Village E : 2014 – 30000 & 2016 – 45018
   % increase: 50.6%
   
   
3. What is the ratio of population in Village A and D in 2014 together to population in village A and C in 2015?
   A. 67: 83
   B. 69: 77
   C. 69: 82
   D. 66: 83
   E. None
   
   Answer & Explanation

   C. 69: 82
   Solution:
   2014 : A+C = 35000+34000 = 69000
   2015: A+D = 42000+40000 = 82000
   
   
4. If there is 25% increase in population in all villages from 2016 to 2017 then What is the average population of all five villages in the year 2017?
   A. 56691
   B. 56991
   C. 57471
   D. 57829
   E. None
   
   Answer & Explanation

   C. 57471
   Solution:
   125/100*(47040+44400+44574+45018+48852)/5 = 57471
   
   
5. If the ratio of Males to Females in 2016 in Village C is 139:83 then no of Males in Village C in 2016 is?
   A. 27800
   B. 28200
   C. 26600
   D. 28880
   E. None
   
   Answer & Explanation

   A. 27800
   Solution:
   44400*139/222 = 27800
   
   
6. A square is positioned on a circle as shown in the figure length of the square is 2 cm & diameter of the circle is 2 cm where circle touches one corner of the square at point Q. Diameter of circle originates at point Q and is line joining diagonal of the square. Then what is the area of shaded of region?
   A. (Π-2)/2
   B. π+1
   C. π-2
   D. π+0.5
   E. None
   
   Answer & Explanation

   A. (Π-2)/2
   Solution:
   ((Π*1 2 ) – (2/√2) 2 ) /2= (π-2)/2
   
   
7. A sum 8620 is divided in three parts and given loan to A,B & C at simple interest rates 2%, 4% & 6% respectively. If amount after 5 years for all three parts are equal then loan given to A is
   A. 2860
   B. 2640
   C. 3120
   D. 4890
   E. None
   
   Answer & Explanation

   C. 3120
   Solution:
   11A= 12B=13C
   A+B+C=8620
   A=3120
   
   
8. A fully filled cubical tank of length 36 m is emptied to 1/3 rd by using cube shaped blocks of different sizes and having lengths in the ratio of 1:2:3. The length of the smallest sized block is 1 m. If no of blocks used of different size are equal.Then total no of blocks is
   A. 2962
   B. 2592
   C. 3428
   D. 2096
   E. None
   
   Answer & Explanation

   B. 2592
   Solution:
   2/3*36*36*36 = (1+8+27)*x
   X= 864 total= 864*3=2592.
   
   
9. The number of girls who left the school in 2017?
   Statement I) No of students in a school in 2016 is 4123 and some boys joined & some girls left in 2017
   Statement II) Ratio of Boys and Girls is 4:3 in 2016 & Boys & Girls is 7:6 in 2017
   A. If statement I alone enough to answer
   B. If statement II alone enough to answer
   C. Both Statement I & II necessary to answer
   D. Both Statement I & II are not sufficient to answer
   E. Either I or II sufficient to answer
   
   Answer & Explanation

   D. Both Statement I & II are not sufficient to answer
   Solution:
   No of girls left can not be calculated from both statements.
   
   
10. Find Odd man out in the series?
    6,4,4,8,48,526,736
    A. 4
    B. 48
    C. 526
    D. 736
    E. None
    
    Answer & Explanation

    C. 526
    Solution:
    6*1-2, 4*2-4, 4*4-8, 8*8-16, 48*16-32