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If 400 students voted in all, then how many did vote ‘Others’ colour as their favorite? (a) 6 (b) 20 (c) 24 (d) 40

The correct answer is (c) 24 Explanation From the pie chart, we observe that, 6% out of 400 students voted for others, So, = (6%/100%)... View Article

Which colour received 1/5 of the votes? (a) Red (b) Blue (c) Green (d) Yellow

The correct answer is (c) Green Explanation = 1/5 × 100 = 0.2 × 100 = 20%... View Article

In a school only, 3 out of 5 students can participate in a competition. What is the probability of the students who do not make it to the competition? (a) 0.65 (b) 0.4 (c) 0.45 (d) 0.6

The correct answer is (b) 0.4 Explanation Probability is a measure of the likelihood of an event to occur. The formula of probability is... View Article

What is the probability of choosing a vowel from the alphabets? (a) 21/26 (b) 5/26 (c) 1/26 (d) 3/26

The correct answer is (b) 5/26 Explanation Probability is a measure of the likelihood of an event to occur. The formula of probability is... View Article

Which of the following is not a random experiment? (a) Tossing a coin (b) Rolling a dice (c) Choosing a card from a deck of 52 cards (d) Throwing a stone from a roof of a building

The correct answer is (d) Throwing a stone from a roof of a building Explanation There is only one output that is the stone will fall down... View Article

The range of the data 30, 61, 55, 56, 60, 20, 26, 46, 28, 56 is (a) 26 (b) 30 (c) 41 (d) 61

The correct answer is (c) 41 Explanation The range in statistics for a given data set is the difference between the highest and lowest... View Article

In a pie chart, the total angle at the centre of the circle is (a) 180o (b) 360o (c) 270o (d) 90o

The correct answer is (b) 360o Explanation A pie chart is a type of graph that represents the data in the circular graph. A pie... View Article

A geometric representation showing the relationship between a whole and its parts is a (a) Pie chart (b) Histogram (c) Bar graph (d) Pictograph

The correct answer is (a) Pie chart Explanation A pie chart is a type of graph that represents the data in the circular graph. A pie... View Article

The height of a rectangle in a histogram shows the (a) Width of the class (b) Upper limit of the class (c) Lower limit of the class (d) Frequency of the class

The correct answer is (d) Frequency of the class Explanation A histogram is a graphical representation of a grouped frequency distribution... View Article

The solution of the equation x + 15 = 19 is __________

Answer: The solution of the equation x + 15 = 19 is 4. Transpose - The process of moving a term from one side of the equation to the other side... View Article

x – _______= 15; when x/2 = 6

Answer: x - (-3) = 15; when x/2 = 6 Transpose - The process of moving a term from one side of the equation to the other side is called... View Article

x – 1= _____________ when 2x = 2

Answer: x - 1= 0 when 2x = 2 Transpose - The process of moving a term from one side of the equation to the other side is called transposing. It... View Article

x – 0 = ____________ when 3x = 12.

Answer: x - 0 = 4 when 3x = 12 Transpose - The process of moving a term from one side of the equation to the other side is called transposing. It... View Article

x + 7 = 10 has the solution________

Answer: x + 7 = 10 has the solution 3. Transpose - The process of moving a term from one side of the equation to the other side is called... View Article

If 5 is added to three times a number, it becomes the same as 7 is subtracted from four times the same number. This fact can be represented as ____

Answer: If 5 is added to three times a number, it becomes the same as 7 is subtracted from four times the same number. This fact can be... View Article