IBPS Clerk Pre 15/10/2018




Directions (1-5): The following table shows the total no. of headphones of Sony in 5 different years. In the table percentage of good headphones also given. Study the table carefully to answer the following questions. 
Note: Rest headphones are defective. 

Q1. Total no. of defective headphones in 2013 is what percent of that in 2012?
100%
80%
120%
90%
105%
Solution:

Q2. What is the average no. of good headphones in 2012, 2014 and 2016 together?
31,400
34,400
33,400
34,300
32,600
Solution:

Q3. Total no. of defective headphones in 2015 is how much percent more or less than the total no. of defective headphones in 2016?
 
 
 
 
 
Solution:

Q4. What is the total no. of good headphones of Sony in 2012, 2013 and 2014 together?
85,000
71,000
91,000
81,000
93,000
Solution:
Required answer = 85 × 240 + 88 × 300 + 95 × 360
= 81000

Q5. What is the ratio of good headphones in 2013 to that in 2015?
10 : 13
11 : 13
15 : 11
11 : 15
13 : 10
Solution:

Q6. If the average of 5 consecutive odd numbers is 35. Find the product of smallest and second highest number.
1147
1121
1113
1127
1215
Solution:
Avg. of 5 odd no. is = 35
Let a = 35
∴ smallest no. among them = a – 4
= 35 – 4
= 31
Second highest among them = a + 2
= 35 + 2
= 37
∴ Reqd. answer = 31 × 37 = 1147

Q7. IF the CP of 18 article is same as that of SP of 20 article. Find the loss percentage.
10%
20%
15%
18%
22%
Solution:

Q8. The CI on a certain amount for 2 year at the rate of 10% p.a. is Rs.840. What will be S.I. on the same sum for 4 years at the same rate of interest?
Rs.1800
Rs.2400
Rs.1600
Rs.2000
Rs.1200
Solution:

Q9. Find the probability of selecting 2 blue ball from a bag containing 8 blue ball and 10 black ball.
28/153
27/151
29/153
28/163
28/161
Solution:

Q10. In how many different ways the letter of the word ‘CAMEL’ can be arranged, if repetition is not allowed.
120
720
24
135
140
Solution:
Total letter in word CAMEL = 5
∴ Required no. of ways = 5! = 120

Directions (11-15): Simplify the following questions. 

Q11. 3333 + 333 + 33 + 3.33 + 0.30 + 0.033=?
3702.663
3936.848
3396.884
3720.663
3672.063
Solution:
3333 + 333 + 33 + 3.33 + 0.30 + 0.033 = 3702. 663

Q12. 
2
4
1
3
5
Solution:

Q13. 
800
900
1200
1500
1800
Solution:

Q14. 174 + 568 + 974 – 810 =
902
908
905
904
906
Solution:
174 + 568 + 974 – 810 = 906

Q15. 10 × 30 ÷ 45 × 9 + 6
66
76
86
56
46
Solution:


               

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