General Mathematics

Question: `12 1/2 %` is equivalent to fraction ____
A
0.8

B
1.25

C
0.125

D
12.5

Note: `12 1/2 % = 25/(2 xx 100)` = `1/8` = 0.125
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Question: If 30% (percent) of a number is 12.6, then the number is
A
41

B
51

C
52

D
42

Note: Solution: 30% of x=12.6 `30/100 of x = 12.6` `30/100 xx x =12.6` x =`(12.6 xx 100/30)` = 42
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Question: What percent is 3 percent (%) of 5 percent (%)?
A
60%

B
50%

C
15%

D
30%

Note: Required percentage `=((3%)/(5%) xx 100)%` `=[(3/100)/(5/100) xx 100]%` =60%
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Question: What is 25 percent (%) of 25 percent (%) equal to?
A
6.25

B
.625

C
.0625

D
.00625

Note: 25% of 25% = `(25/100 xx 25/100)` = `1/16` =.0625
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Question: One fourth of one third of two fifth of a number is 15. What will be 40% of that number?
A
120

B
350

C
270

D
180

Note: Let `1/4 xx 1/3 xx 2/5 xx x = 15` Then, x = 15 x 30 = 450 Now, 40% of 450 = `40/100 xx 450` = 180
1. Report
Question: If 37 percent (%) of a number is 990.86, what will be approximately 19 percent (%) of that number?
A
600

B
400

C
500

D
700

Note: Let 37% of x=990.86 Then, `37/100 xx x`=990.86 or x = `(990.86 xx 100)/37` = `99086/37` = 2678
1. Report
Question: What percent of 7.2 kg is 18 gms?
A
25%

B
2.5%

C
0.25%

D
.025%

Note: Required percentage =`(18/7200 xx 100)` = 0.25%
1. Report
Question: If 15% of 40 is greater than 25% of a number by 2, the number is
A
16

B
20

C
24

D
32

Note: `15/100 xx 40 - 25/100 xx x=2` or `x/4 = (6 - 2) = 4` x=16
1. Report
Question: Cost of 3 cricket balls = cost of 2 pairs of leg pads. Cost of 3 pairs of leg pads = cost of 2 pairs of gloves. Cost of 3 pairs of gloves = cost of 2 cricket bats. If a cricket bat costs Tk 54, what is the cost of a cricket ball?
A
Tk 12

B
Tk 14

C
Tk 16

D
Tk 18

Note: 3G = 54 x 2 = 108 =>G = 36 3P = 36 x 2 = 72 => P = 24 3C = 24 x 2 = 48 => C= 16 `:.` Cost of a cricket ball = Tk 16
1. Report
Question: A shopkeeper sold an article for Tk 2564.36. Approximately what was his profit percent of the cost price of the article was Tk 2400?
A
7

B
8

C
12

D
60

Note: Gain % = `(164.36/2400 xx 100)%` =6.84 % =7 % approx.
1. Report

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Question: `12 1/2 %` is equivalent to fraction ____

Question: If 30% (percent) of a number is 12.6, then the number is

Question: What percent is 3 percent (%) of 5 percent (%)?

Question: What is 25 percent (%) of 25 percent (%) equal to?

Question: One fourth of one third of two fifth of a number is 15. What will be 40% of that number?

Question: If 37 percent (%) of a number is 990.86, what will be approximately 19 percent (%) of that number?

Question: What percent of 7.2 kg is 18 gms?

Question: If 15% of 40 is greater than 25% of a number by 2, the number is

Question: Cost of 3 cricket balls = cost of 2 pairs of leg pads. Cost of 3 pairs of leg pads = cost of 2 pairs of gloves. Cost of 3 pairs of gloves = cost of 2 cricket bats. If a cricket bat costs Tk 54, what is the cost of a cricket ball?

Question: A shopkeeper sold an article for Tk 2564.36. Approximately what was his profit percent of the cost price of the article was Tk 2400?