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55% of the students took Spanish as second language in a school of 600 students. Find the number of students who took Spanish as second language. => 350 or 330 or 55 or 380..

Find the average percentage raise of salary if a person receives 25% raise after 1 year of service and 15% raise after the second year of service. => 19.36% or 1.199% or 19.9% or 20%..

A travel agency maintains its airline service by the tree diagram. What is the probability of choosing Airplane-X to travel? => 1 or 1 3 or 1 2 or None of the above..

Marion completes her homework in 90 minutes. She spends 30 minutes on Math, 30 minutes on Science subjects , 15 minutes on English Language and 15 minutes on Arts. Which circle graph is appropriate to represent the time spent to complete her homework? => Graph 3 or Graph 4 or Gr..

Internet services reported that 33% of the secondary school principals use internet email more than once a day either in home or school. From a random sample of 120 secondary school principals, it was found that 42 use internet email more than once a day. Is there enough evidence to rejec..

In a business meeting, the General Manager (GM) of a company stated that his employees had an average service of 9 years. Later, the Assistant Manager found the statement delivered by the GM was incorrect after verifying the data shown. No.of employees (X) Years of service ( w )..

Eddy works at an automobile servicing center. Each day he earns $27 and an additional of $3 for washing a car. His daily earnings are modeled by the equation, T = $27 + $3 n , where T = total earnings, n = number of cars. Which of the following graphs best suits the situation? => Graph 2 ..

A supervisor of a company claims that the time spent by males of his organization in social services is greater than that of females. Find the test value. Can you support his claim at 90% confidence? Males Females Mean 2.3 2.8 Standard deviation 4 4.8 Size 15 21 => 0.59, support his claim..

A telephone service charges $10 per month plus 15 cents per minute. The table shows the relationship between the number of minutes and the cost. Use the rate of change to identify a linear equation for the data shown in the table. Number of Minutes ( x ) 10 20 30 40 50 Cost in Dollars ( y..

Mathematics in daily life Steps in problem solving Problem solving strategies Tools to solve problems Tools to record observations Informal and mathematical language Make generalizations Justify solution..