Quantitative Aptitude Quiz for IBPS | IPPB – Set 166

1)A can do a job in 4 days and B can do the same job in 6 days. If A’s efficiency increases to 4/3 times, then by how many times B has to reduce his efficiency so that the work can be completed by both of them in two days?
1)times
2)2 times
3)times
4)times
5)None of these

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Answer5)None of these

2)P and Q can complete a job in 20 days working together. P and R can complete it in 30 days working together. Q and R can complete it in 40 days working together. Find the time taken by P, Q and R to complete it working together.
1)220/13 days
2)100/3 days
3)200/12 days
4)240/13 days
5)None of these

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Answer 4)240/13 daysTW 5

3) A is thrice as good as workman as B and therefore is able to finish a job in 60 days less than B. Working together, they can do it in?
1)20 days
2)22(1/2)days
3)25 days
4)30 days
5)None of these

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Answer 3)22(1/2)days

4)If A can do 1/4 of a work in 3 days and B can do 1/6 of the same work in 4 days, how much will A get if both work together and are paid Rs. 180 in all?
1)Rs 150
2)Rs 100
3)Rs 120
4)Rs 160
5)None of these

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Answer 3)Rs 120

5)A and B together can complete a work in 12 days. A alone can complete it in 20 days. If B does the work only for half a day daily, then in how many days A and B together will complete the work?
1)10 days
2)11 days
3)15 days
4)20 days
5)None of these

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Answer 3)15 days

6)456, 232, 120, 64, 36, ?
A)8
B)30
C)22
D)12
E)None of these

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Answer C)22
456-224 = 232
232 –(224/2) = 120
120-(112/2) = 64
64-(56/2) = 36
36-(28/2) = 22

7)3, 5, 15, 65, 315, ?
A)985
B)755
C)1234
D)1565
E)None of these

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Answer D)1565
3*5-10 =15-10 =5
5*5-10 = 25-10 =15
15*5-10 = 75-10 = 65
65*5-10=325-10 = 315
315*5-10 = 1565

7)5, 7.5, 11.25, 16.87, ?
A)35.45
B)19.65
C)22.60
D)25.30
E)None of these

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Answer D)25.30
5*3/2 = 7.5
7.5*3/2 = 11.25
11.25*3/2 =16.87
16.87*3/2 = 25.30

8)300, 120, 48, 19.2, 7.68, ?
A)15.89
B)10.56
C)3.072
D)0.756
E)None of these

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Answer C)3.072
300*0.4 = 120
120*0.4 = 48
48*0.4 = 19.2
19.2*0.4 = 7.68
7.68*0.4=3.072

9)11, 5.5, 1.375, 0.172, ?
A)0.0108
B)1.754
C)0.0126
D)0.235
E)None of these

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Answer A)0.0108
11*1/2 = 5.5
5.5*1/4 = 1.375
1.375*1/8 = 0.172
0.172*1/16 = 0.0108

10)39, 23, 15, 11, 9, ?
A)8
B)2
C)7
D)5
E)None of these

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Answer A)8
39-16=23
23-8=15
15-4 =11
11-2=9
9-1=8

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