3i Infotech Papers: Sample Questions 49 - 50 of 1245

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Question number: 49

» Aptitude

MCQ▾

Question

Tom received 89,94,86, and 96 on the first algebra tests. What grade must he receive on his last test to have an average of 92?

Choices

Choice (4) Response

a.

94

b.

91

c.

92

d.

95

Answer

d.

Explanation

Tom received 89,94,86 and 96 on the four algebra tests.

After five tests average of all test scores is 92.

We are asked to find the grade in the fifth algebra test. Let it be x.

So, Tom has scored 95 in the last fifth test.

Question number: 50

» Aptitude

MCQ▾

Question

For each Rupee spent by the sales department, the research department spends 20 paise. For every Rs. 4 spent by the research department, the packing department spends Rs. 1.50. The triple ratio of the money spent by the sales department to the money spent by the research department to the money spent by the packing department can be expressed as

Choices

Choice (4) Response

a.

1: 1: 5

b.

8: 4: 1

c.

2: 1: 5

d.

40: 8: 3

Answer

d.

Explanation

For each Rupee spent by the sales department, the research department spends 20 paise. For every Rs. 4 spent by the research department, the packing department spends Rs. 1.50.

SD spends 1 rupee, while RD spends 0.2 rupee.

RD spends 4 rupees, while PD spends 1.5 rupees.

0.2 = 1

4 = (? )

So, ratio of money spend by sales department to research department to packing department will be 20: 4: 1.5

Multiplying all by 2,

Ratio = 40: 8: 3