[Ans] (D)
[Question] A telephone company needs to create a set of 3-digit area codes. The company is entitled to use only digits 2, 4 and 8, which can be repeated. If the product of the digits in the area code must be even, how many different codes can be created?
Options:
(A) 20
(B) 22
(C) 24
(D) 27
(E) 30
[CoT] Total # of codes possible is 3*3*3 = 27. Oit of those 27 codes

[Ans] (A)
[Question] A person spends 40% of his salary on food, 25% on house rent, 15% on entertainment and 10% on conveyance. If his savings at the end of the month is Rs. 1200, then his salary per month in rupees is:
Options:
(A) 12000
(B) 6000
(C) 8000
(D) 10000
(E) None of these
[CoT] Total expenditure = 40 + 25 + 15 + 10 = 90%
Saving = (100 - 90) = 10%
10/100 Salary = 1200, Salary = 12000 Rs.

[Ans] (D)
[Question]
Resident of town X participated in a survey to determine the number of hours per week each resident spent watching television. The distribution of the results of the survey had a mean of 21 hours and std deviation of 7 hrs. The number of hours that pat, a resident of town X, watched television last week was between 1 and 2 standard deviation below the mean. Which of the following could be the number of hours that Pat watched television last week?
Options:
(A) 30
(B) 20
(C) 18
(D) 12
(E) 6
[CoT] 21-12 < no of hrs < 21-6
9< no of hrs < 14.