1.

দ্বিমিক সংখ্যা 10011010101 -এর দশমিক প্রকাশ হলো-

১২ঃ৩৫

1237

1241

1247

১২ঃ৩৫

1237

1241

1247

2.

বাইনারি গুণন 111 x 1100 = ?

1111

1001

1010100

কোনোটিই নয়

1111

1001

1010100

কোনোটিই নয়

3.

একটি পাথর একটি পাওয়ারের ছাদ থেকে সোজাসুজি উপরের দিকে ছোড়া হলে। পাথরটি 10 সেকেন্ড পরে 51m/s দ্রুতিতে মাটিতে পড়ল টাওয়ারটির উচ্চতা কত?

10 M

15 m

20 m

25 m

10 M

15 m

20 m

25 m

4.

0 C এর 0.01 kg বরফ 0 C পানিতে পরিণত হওয়ায় অভ্যন্তরীণ শক্তি কী পরিমান বৃদ্ধি পায় নির্ণয় কর।

3.36 KJ

3.36 x 103J

3.36 x 103 J

33.6J

3.36 KJ

3.36 x 103J

3.36 x 103 J

33.6J

5.

কোন বস্তু আলোর বেগে গতিশীল হলে তার ভর কিরূপ হবে-

00

01

স্বাভাবিক ভরের সমান

কোনটিই নয়

00

01

স্বাভাবিক ভরের সমান

কোনটিই নয়

6.

If 9 men or 15 women can do a work in 16 days, how long it take 3 men and 7 women to complete the job?

12

১৫

১৮

20

12

১৫

১৮

20

7.

You can now purchase 5 more bananas with Tk 75 due to reduction in price by 20%. What is the current price of one dozen of bananas?

24

৩০

৩২

৩৬

24

৩০

৩২

৩৬

8.

If $\frac{x}{2} + 3 = \frac{x}{3} + 4, x = ?$

৪

3

5

6

৪

3

5

6

9.

What is 10% $\frac{y}{3}$ , If $\frac{2 y}{3} i s 10 % o f 600$

৩০

60

3

12

৩০

60

3

12

10.

If A : B=1 : 2, B : C=4 : 3 and A + B + C = 630 What is the value of A?

140

210

280

১৮০

140

210

280

১৮০

11.

Which of the following is a solution to x² + x =1

\frac{- 1 \pm \sqrt{5}}{2}

\frac{- 2 \pm \sqrt{5}}{1}

\frac{1 \pm \sqrt{5}}{2}

\frac{- 5 \pm \sqrt{1}}{2}

\frac{- 1 \pm \sqrt{5}}{2}

\frac{- 2 \pm \sqrt{5}}{1}

\frac{1 \pm \sqrt{5}}{2}

\frac{- 5 \pm \sqrt{1}}{2}

12.

What is the greatest positive integer n such that 2ⁿ is a factor of 12¹⁰ ?

১০

৩০

20

40

১০

৩০

20

40

13.

$I f \frac{1}{y} = \frac{3}{2} t h e n \frac{1}{y + 2} = ?$

\frac{6}{7}

\frac{3}{8}

\frac{7}{6}

\frac{9}{3}

\frac{6}{7}

\frac{3}{8}

\frac{7}{6}

\frac{9}{3}

14.

If n is an even integer which of the following must be an odd integer ?

n + 1

n + 2

n + 4

n

n + 1

n + 2

n + 4

n

15.

$I f \frac{a}{x} + \frac{x}{a} = \frac{x}{b} + \frac{b}{x} t h e n x = ?$

AB

\pm \sqrt{a b}

{(a b)}^{2}

None

AB

\pm \sqrt{a b}

{(a b)}^{2}

None

16.

90 taka has been collected due to donation from each student by N 10 paisa, where N is the total number of students in a class. The number of student in that class-

৯০

60

৩০

১৫

৯০

60

৩০

১৫

17.

A pice of rope is cut into three section so that the first section is three times so long as the third. What fraction of the entire piece is the smallest section?

\frac{1}{5}

\frac{1}{7}

\frac{1}{9}

\frac{1}{13}

\frac{1}{5}

\frac{1}{7}

\frac{1}{9}

\frac{1}{13}

18.

The average age of a group of 12 students is 20 years, If 4 more students Join the group, the average age increases by 1 year, the average age of the new student is-

২৮

26

24

২২

২৮

26

24

২২

19.

Of 10 consecutive numbers, Sum of the first five is 560 what will be sum of the last 5 numbers?

৫৮৫

580

৫৭৫

None

৫৮৫

580

৫৭৫

None

20.

If k is the average of 10 and-14, then the average of k and - 8 is -

-24

-12

-11

-5

-24

-12

-11

-5

উচ্চতর গণিত

If 9 men or 15 women can do a work in 16 days, how long it take 3 men and 7 women to complete the job?

You can now purchase 5 more bananas with Tk 75 due to reduction in price by 20%. What is the current price of one dozen of bananas?

If A : B=1 : 2, B : C=4 : 3 and A + B + C = 630 What is the value of A?

If n is an even integer which of the following must be an odd integer ?

90 taka has been collected due to donation from each student by N 10 paisa, where N is the total number of students in a class. The number of student in that class-

A pice of rope is cut into three section so that the first section is three times so long as the third. What fraction of the entire piece is the smallest section?

The average age of a group of 12 students is 20 years, If 4 more students Join the group, the average age increases by 1 year, the average age of the new student is-

Of 10 consecutive numbers, Sum of the first five is 560 what will be sum of the last 5 numbers?

If k is the average of 10 and-14, then the average of k and - 8 is -