A woman buys 50 eggs for $6.60. Some cost 12 cents each and the rest 14 cents each. How many eggs has she bought at 14 cents each?

Created: 6 months ago | Updated: 2 days ago

৩০

৩৫

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Let, x eggs at 12 cents each and y eggs at 14 cents each.

1 dollar = 100 cents.

So, 12x + 14y = 660 and x + y = 50.

Solving these two, we get x = 20, y = 30.

1 year ago

1 0

হেলিওস

The Ex-nor of this string '01010101' with '11111111' is

Created: 6 months ago | Updated: 5 days ago

10101010

00110100

01010101

10101001

Job Solution Combined Bank (সমন্বিত ব্যাংক) Assit. Programmer | Sonali Bank, Rubali Bank, BD Krishi Bank - 16.11.2018 গণিত

393

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If an inspector rejects 0.08% of a product as defective, how many units of the product will be examined in order to reject 2?

Created: 6 months ago | Updated: 4 days ago

১৫০০

500

২০০০

2500

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392

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A box is made in the form of a cube. If a second cubical box has inside dimensions three times those of the first box, how many times as much does the second box contain?

Created: 6 months ago | Updated: 2 days ago

২৭

৯

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491

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If f is a function defined from R is given by f (x) = 3x -5, then $f^{- 1}$ (x) is given by :

Created: 6 months ago | Updated: 5 days ago

1/(3x-5)

(x +5)/3

does not exist since it is not a bisection

(3x + 5)/3

Job Solution Combined Bank (সমন্বিত ব্যাংক) Assit. Programmer | Sonali Bank, Rubali Bank, BD Krishi Bank - 16.11.2018 গণিত

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If number a is $2^{2} \times 3^{1} \times 5^{0} a n d b i s 2^{1} \times 3^{1} \times 5^{1} t h e n 1 c m o f a, b i s :$

Created: 6 months ago | Updated: 2 days ago

2^{2} \times 3^{1} \times 5^{1}

2^{2} \times 3^{2} \times 5^{2}

2^{3} \times 3^{1} \times 5^{0}

2^{2} \times 3^{2} \times 5^{0}

Job Solution Combined Bank (সমন্বিত ব্যাংক) Assit. Programmer | Sonali Bank, Rubali Bank, BD Krishi Bank - 16.11.2018 গণিত

378

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