The mean of five numbers is 18, If one number is excluded, then their mean is 16, the excluded number is...? Mcqs

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The mean of five numbers is 18, If one number is excluded, then their mean is 16, the excluded number is...?

(A) 24
(B) 26

(C) 28
(D) None of these

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Graphical representation of data is called...?

(A) Pie chart
(B) Bar Chart

(C) Line chart
(D) Scatter plot

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0.04 × 0.0162 × 0.001 is equal to...?

(A) 0.000000648
(B) 0.0000648

(C) 0.00000648
(D) None of these

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Average of ten number is x if each Number is increased by 10% than x ...?

(A) Remained unchanged
(B) May decreased

(C) May increased
(D) Is increased by 10%

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When 73 is added to 89 and amount is doubled, it gives the same result as the square of 18, what is the answer...?

(A) 164
(B) 162

(C) 324
(D) 163

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A sum of money at simple interest amounts to Rs 815 in 3 years and to Rs 854 in 4 years The sum is:...?

(A) Rs 650
(B) Rs 690

(C) Rs 698
(D) Rs 700

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5XA local post office uses the equation above to determine the cost C, in dollars, of mailing ashipment weighing x pounds. An increase of 10 dollars in the mailing cost is equivalent to an increase in how many pounds in the weight of the shipment...?

(A) 1
(B) 2

(C) 3
(D) 4

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The average of 50 numbers is 30. If two numbers 35 and 40 are discarded, then the average of the remaining numbers is nearly___________...?

(A) 28.32
(B) 29.68

(C) 28.78
(D) 29.27

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x, 9, 25, 49, 81, 121 Find the value of x...?

(A) 5
(B) 1

(C) 4
(D) 3

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A school has only four classes that contain 10, 20, 30 and 40 students respectively. The pass percentage of these classes are 20%, 30%, 60% and 100% respectively. Find the pass % of the entire school...?

(A) 76%
(B) 66%

(C) 56%
(D) None of these

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