By selling 100 bananas, a fruit seller gains the selling price of 20 bananas. His gain percent is -

১০%

২০%

15%

25%

১০%

২০%

15%

25%

2.

If 10 products are brought in 8 taka and 8 product are sold in 10 taka. What is the percentage of profit?

56.25

50.25

52.75

48.50

56.25

50.25

52.75

48.50

3.

A person bought an article for Tk 800. After 6 months he sold it for Tk 880. Find his annual gain percent?

১০%

৩০%

25%

২০%

১০%

৩০%

25%

২০%

4.

What amount of money invested would earn an interest of Tk 200 over 4 years at 10% simple interest rate?

400

500

350

375

400

500

350

375

5.

What rate of interest per year was paid, if Tk. 50,000 earned Tk 1000 as interest in 2 years?

1%

৩%

2%

৪%

1%

৩%

2%

৪%

6.

If the width of a rectangle is one fourth of the length. If the perimeter is 90 cm, the width is -

3 cm

6 cm

9 cm

12 cm

3 cm

6 cm

9 cm

12 cm

7.

The edges of a cube are all increased by 10%. What is the percentage increase in volume?

19.1%

23.1%

33.1%

65.1%

19.1%

23.1%

33.1%

65.1%

8.

Determine square root of 1600?

400

40

১৬

160

400

40

১৬

160

9.

5, 15, 30, 50 What will then next number?

65

60

৭০

৭৫

65

60

৭০

৭৫

10.

Which of the following fraction has the smallest value?

$\frac{8}{7}$

$\frac{10}{9}$

$\frac{23}{20}$

$\frac{1013}{1022}$

$\frac{8}{7}$

$\frac{10}{9}$

$\frac{23}{20}$

$\frac{1013}{1022}$

11.

How much more is -3-(-10) than -10-(-3)?

৮

14

6

৮

14

6

12.

The product of three consecutive odd numbers is 3. What is the largest of integer?

2

3

1

৪

2

3

1

৪

13.

We get 96 of we take 12% of a number. What is the number?

400

600

800

100

400

600

800

100

14.

A number is 25 more than its $\frac{2}{5} t h$ . what is the number?

\frac{125}{3}

\frac{15}{7}

\frac{125}{2}

\frac{125}{4}

\frac{125}{3}

\frac{15}{7}

\frac{125}{2}

\frac{125}{4}

15.

Fine the next number in the series, 3, 6, 4, 9, 5, 12, 6,……….?

12

১৩

১৬

১৫

12

১৩

১৬

১৫

16.

1² + 2² + 3³ +.........+50² =?

42925

42926

42825

428226