Officer (IT) 2016 [MCQ and Written]

76. What must be added to the expression (4a^2 + 9b^2) so that the sum is a perfect square?

[Officer (IT) 2016 [MCQ and Written] : 2016]

1. 6ab

1

2. 12ab

2

3. 18ab

3

4. 24ab

4

5. 8ab

5
Answer
77. If a + b = 13 and a - b = 3, then find the value of a^2 + b^2.

[Officer (IT) 2016 [MCQ and Written] : 2016]

1. 69

1

2. 79

2

3. 89

3

4. 91

4

5. 96

5
Answer
78. The selling price of 15 items equals the cost of 20 items. What is the percentage of profit earned by the seller?

[Officer (IT) 2016 [MCQ and Written] : 2016]

1. 33.3%

1

2. 55.5%

2

3. 48.3%

3

4. 32.2%

4

5. 34.3%

5
Answer
79. A student is ranked 13th from right and 8th from left. How many students are there in total?

[Officer (IT) 2016 [MCQ and Written] : 2016]

1. 18

1

2. 19

2

3. 20

3

4. 21

4

5. 22

5
Answer
80. In MS Power Point, shortcut for crating a new slide is :

[Officer (IT) 2016 [MCQ and Written] : 2016]

1. Ctrl + N

1

2. Ctrl + S

2

3. Ctrl + M

3

4. Crtl + P

4

5. Ctrl + X

5
Answer