IBPS PO 2017 Practice Test – Quant Day 16

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Q(1-5). Study the following line graphs which represent the population in five different states and answer the following questions. Note: Adults mean who are aged 18 & above.

1. What is total no of Male adults living in all five states together?
   A. 10000
   B. 10500
   C. 11500
   D. 12000
   E. None
   
   Answer & Explanation

   C. 11500
   Solution:
   Male adults = Total No of Males –Total No of Males under 18
   (4000+5000+3500+4500+2500) – (1500+2000+2000+1500+1000) = 19500- 8000 = 11500
   
   
2. Total No of Females in all States together is how much percent of total No of Males in all States together?
   A. 83.2%
   B. 84.6%
   C. 85.4%
   D. 85.6%
   E. None
   
   Answer & Explanation

   B. 84.6%
   Solution:
   Females = (3500+2500+3000+3500+4000) = 16500
   Males = (4000+5000+3500+4500+2500) = 19500
   Percentage = 16500/19500*100 = 84.6%
   
   
3. What is the average of No of adult females in all states together?
   A. 1500
   B. 1600
   C. 1800
   D. 2000
   E. None
   
   Answer & Explanation

   C. 1800
   Solution:
   Female adults = Total no of Females – Total no of females under 18
   (3500+2500+3000+3500+4000) – (1000+1000+1500+2000+2000) = 16500 – 7500 = 9000
   Average = 9000/5 = 1800
   
   
4. What is the ratio of No of adults in Sikkim and Meghalaya together to Assam and Nagaland together?
   A. 11:19
   B. 13:17
   C. 19:11
   D. 16:19
   E. 19:15
   
   Answer & Explanation

   E. 19:15
   Solution:
   No of adults in Sikkim : (Male + Female )adults = 4000-1500+3500- 1000 = 5000
   No of adults in Meghalaya : (Male + Female )adults =5000-2000+2500- 1000 = 4500
   No of adults in Nagaland : (Male + Female )adults = 3500-2000+3000- 1500 = 3000
   No of adults in Assam : (Male + Female )adults = 4500-1500+3500- 2000 = 4500
   Ratio of(Sikkim+Meghalaya) : (Nagaland+Assam) = 19:15
   
   
5. In which of the following state adult population is maximum?
   A. Sikkim
   B. Meghalaya
   C. Nagaland
   D. Assam
   E. Mizoram
   
   Answer & Explanation

   A. Sikkim
   Solution:
   Sikkim: 5000
   Meghalaya: 4500
   Nagaland : 3000
   Assam: 4500
   Mizoram: 3500
   
   

Q(6-10) Find the odd number in the given data series

6. 8,9,22,36,75,316,1605
   A. 8
   B. 9
   C. 22
   D. 36
   E. 75
   
   Answer & Explanation

   D. 36
   Solution:
   (8+1)*1 = 9
   (9+2)*2 = 22
   (22+3)*3 = 75 ……
   
   
7. 1,6,20,69,284,526,1425
   A. 20
   B. 69
   C. 284
   D. 526
   E. 1425
   
   Answer & Explanation

   D. 526
   Solution:
   1*1+1*5 =6
   6*2+2*4 = 20
   20*3+3*3 = 69
   69*4+4*2 = 284
   284*5 +5*1 = 1425
   
   
8. 526,511,485,450,400,369,337
   A. 485
   B. 450
   C. 400
   D. 369
   E. 337
   
   Answer & Explanation

   D. 369
   Solution:
   526-4 2 + 1 = 511
   511-5 2 – 1 = 485
   485-6 2 +1 = 450
   450-7 2 -1 = 400
   400 -8 2 +1 = 337
   
   
9. 40,42,44,57,79,110,150
   A. 40
   B. 42
   C. 44
   D. 57
   E. 79
   
   Answer & Explanation

   B. 42
   Solution:
   40+5*1-1 = 44
   44+5*3 -2 =57
   57+5*5 -3 =79
   79+5*7-4 = 110
   110+5*9-5 =150
   
   
10. 506,462,420,400,380,342
    A. 462
    B. 420
    C. 400
    D. 380
    E. 342
    
    Answer & Explanation

    C. 400
    Solution:
    23 2 -23 = 506
    22 2 -22 = 462
    21 2 -21 = 420
    20 2 -20 = 380
    19 2 – 19 = 342