Ibps Clerk Mains Exam Template With Answers Page 36
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43IBPS Clerk Mains : Part - 1
= 5112 + 3195 : 11648 + 10296
[1500 x R1 x 3] /100 – [1500 x R2 x 3] /100 =13.5
= 8307 : 21944
==>4500 (R1 – R2) = 1350
==>R1 – R2 =1350/4500=0.30%
35. 3;
Required average
41. 4;
Present age Ratio = 6:7
Difference = 7-6 = 1
36.
Given number = 169q + 78
1 unit ----- 4 years
= 13 ( 13 q + 6)
6 units ---- 24years
=> The number is completely divisible by 13.
7 units ---- 28 years
after 4 years P and Q age = 28 years and 32 years
37. Let the distance travelled by the first train be x
km.
Ratio = 28:32= 7:8
. . Distance travelled by the second train = x + 120 km
42. 3;
Now, x/50 = x + 120/60
Total score in 11 matches = 11*50 =550
. . x = 600 km
First 6 matches total score = 6*49= 294
Distance between A and B = x + x + 120 = 1200 + 120
Last 6 matches total score = 6*52 = 312
= 1320 km
6th match score = (294+312)-550=56
38. 4;
43. 1;
Q takes x days and P takes x+10 days
P = 90*100/(2*10) = 450
Both are completed the work = (1/x)+(1/x+10) = 20/3
==> 3x ²-10x-200=0
C.I = 450(1+(10/100))^2 - 450= 450 * 121/100 - 450 =
==> x = 10, -20/3
94.5
Days cant be negative sign . so X = 10
P alone completed = 10+10=20 days
39. 1;
44. 2;
==> 25/100 x 1320 + 64/100 x 4000
Total no of balls =10+7+12 = 29
Probability of Black balls =10/29
==> 330+2560 = 2890
Probability of White balls = 7/29
Probability of Either Black or White = 10/29 + 7/29 =
17/29
40. 3;
Page 36
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