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Officer-2019 [MCQ]

6. The next number in the sequence 3, 6, 11, 18, 27, .... is—

[Officer-2019 [MCQ] : 2019]

1. 34

2. 36

3. 38

4. 40

Answer

7. The H.C.F. of two numbers is 24. The number which can be their L.C.M. is__

[Officer-2019 [MCQ] : 2019]

1. 84

2. 128

3. 148

4. 120

Answer

8. The Average of eight numbers is 14. The average of six of these numbers is 16. The average of the remaining two numbers is__

[Officer-2019 [MCQ] : 2019]

1. 4

2. 8

3. 16

4. Data inadequate

Answer

9. If A = {1, 2, 3 4,5}, then the number of proper subsets of A is—

[Officer-2019 [MCQ] : 2019]

1. 120

2. 30

3. 31

4. 32

Answer

10. Two numbers are in the ratio 2 :5. If 16 is added to both the numbers, their ratio becomes 1:2. The numbers are—

[Officer-2019 [MCQ] : 2019]

1. 16.40

2. 20,50

3. 28.70

4. 32 80

Answer