If the radius of a circle is decreased by 20% then the area is decreased by:

Created: 4 months ago | Updated: 2 months ago

২০%

৩০%

36%

40%

Job Solution Combined Bank (সমন্বিত ব্যাংক) সোনালী ও জনতা ব্যাংক - অফিসার(আইটি) - 02.10.2021 গণিত

421

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The average age of a group of 15 employees is 24 years. If 5 more employees join the group, the average age increases by 2 years. Find the average age of the new employees?

Created: 4 months ago | Updated: 2 months ago

২৪

Job Solution Combined Bank (সমন্বিত ব্যাংক) অফিসার (ক্যাশ) নিয়োগ পরীক্ষা- ১২-১০-২০১৮ গণিত

935

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The average of 5 consecutive number integers starting with m as the first integers is n then n = ?

Created: 4 months ago | Updated: 2 months ago

m+3

m+2

nm+2

Job Solution Combined Bank (সমন্বিত ব্যাংক) সমন্বিত ৪ ব্যাংক - সহকারী প্রোগ্রামার - 25.09.2020 গণিত

1042

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The difference of two numbers is 20% of the large number. If the smaller number is 20 then the largest number is-

Created: 4 months ago | Updated: 2 months ago

Job Solution Combined Bank (সমন্বিত ব্যাংক) সমন্বিত ৪ ব্যাংক - সহকারী প্রোগ্রামার - 25.09.2020 গণিত

980

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If the ratio of speed of doing work of the persons is 1 : 3 : 5 , what is the ratio of this taken by these people to do the same amount of work ?

Created: 4 months ago | Updated: 2 months ago

15 : 5 : 3

15 : 5 : 7

3 : 15 : 5

15 : 3 : 5

Job Solution Combined Bank (সমন্বিত ব্যাংক) জনতা ও রূপালী ব্যাংক- অফিসার ১৩.১২.২০১৯ গণিত

1180

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A right angled triangle , whose perpendicular sides measure 1.8 cm and 2.4 cm ,is inscribed in a circle. What is the circumference of the circle (in cm)?

Created: 4 months ago | Updated: 2 months ago

π

3 π

2 π

None of these

Job Solution Combined Bank (সমন্বিত ব্যাংক) জনতা ও রূপালী ব্যাংক- অফিসার ১৩.১২.২০১৯ গণিত

1433

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If the radius of a circle is decreased by 20% then the area is decreased by:

Related Questions

The average age of a group of 15 employees is 24 years. If 5 more employees join the group, the average age increases by 2 years. Find the average age of the new employees?

The average of 5 consecutive number integers starting with m as the first integers is n then n = ?

The difference of two numbers is 20% of the large number. If the smaller number is 20 then the largest number is-

If the ratio of speed of doing work of the persons is 1 : 3 : 5 , what is the ratio of this taken by these people to do the same amount of work ?

A right angled triangle , whose perpendicular sides measure 1.8 cm and 2.4 cm ,is inscribed in a circle. What is the circumference of the circle (in cm)?