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1 The value of 1/3 of 24 is
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8
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5
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12
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None of these
Correct!Wrong!8
=24 x 1/3
= 8
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2 Aslia has 3 types of balls red, green and blue. If their ratio is 2:3:5 what percent of balls are green?
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20%
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30%
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45%
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None of these
Correct!Wrong!30%
Red balls : Green balls : Blue balls
2:3:5
Total= 2+3+5 = 10
Green balls = 3/10 x 100
=30%
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3 Look at the series: 2, 6, 18, 54, ______. What number should come next?
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108
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148
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162
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None of these
Correct!Wrong!162
Multiply with 3
2, 2 x 3 =6, 6 x 3= 18, 18 x 3= 54, 54 x 3 =162
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4 Length and width of a field are in the ratio 5:3. If the width of the field is 42m then its length is
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100m
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80m
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50m
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None of these
Correct!Wrong!70m
-
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5 A is twice as good as workman as B and together they finish a piece of work in 18 days. In how many days will B alone finish the work?
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27 days
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54 days
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56 days
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None of these
Correct!Wrong!54 days
A : B = 2 : 1
(A +B)’s 1 day work = 1/18
B’s 1 day work = 1/18 + 1/3
= 1/54
So, B can complete work in 54 days
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6 X, 9, 25, 49, 81, 121. Find the value of x
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5
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1
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4
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None of these
Correct!Wrong!1
List of Perfect Squares
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7 Total number of students in a class is 95. If the total numbers of girls in the class is 45, then the ratio of total number. If boys to total number girls is
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9:10
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7:8
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10:9
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None of these
Correct!Wrong!10:9
Total students = 95
Girls = 45
Boys= 95 – 45 = 50
Boys : Girls
50 : 45
10 : 9
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8 Sam bought a 12 pack of soda for $5.40. How much did he pay per can of soda?
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0.45 $
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0.54 $
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0.40 $
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None of these
Correct!Wrong!0.45 $
Price of 12 pack of soda = 5.40
Price of 1 pack of soda = 5.40 / 12
= 0.45 $
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9 What is the missing number in the sequence: 4, 6, 10, 18, _____ , 66
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22
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34
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45
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None of these
Correct!Wrong!34
4, 4 + (2), 6 + (4), 10 + (8), 18 + (16), 34 + (32)
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10 What percentage is 12 of 36?
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35%
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33.33%
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30%
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None of these
Correct!Wrong!33.33%
12/36 x 100
= 33.33%
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Basic Math MCQs Quiz 3
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