A box contains 21 balls numbered 1 to 21 . A ball numbered 1 to 21 . A ball is drawn and then another ball is brawn without replacement . What is the probability that both balls are even numbered?

Created: 4 months ago | Updated: 2 months ago
Job Solution Combined Bank (সমন্বিত ব্যাংক) জনতা ও রূপালী ব্যাংক- অফিসার ১৩.১২.২০১৯ গণিত
820
Add Description

Related Questions

By selling 32 guavas for Tk. 30 a man loss 25% . How many guavas should be sold for tk. 18 to gain 20% of profit in the transaction?

Created: 4 months ago | Updated: 2 months ago
Job Solution Combined Bank (সমন্বিত ব্যাংক) Senior Officer- 8 Bank Recruitment Test 31-08-2018 গণিত
1228
Add Description

A school has only 3 classes having 20, 30 and 40 students respectively. The percentages of students passed are 30%. 50% and 60% respectively. Find the percentage of passed students of the entire school.

Created: 4 months ago | Updated: 2 months ago
Job Solution Combined Bank (সমন্বিত ব্যাংক) সমন্বিত ৭ ব্যাংক || সিনিয়র অফিসার-05-11-2021 গণিত
815
Add Description

Find the least five-digit number which can be divided by 8, 12, 16 and 20 leaving remainders 1. 5, 9 and 13, respectively.

Created: 4 months ago | Updated: 2 months ago
Job Solution Combined Bank (সমন্বিত ব্যাংক) সমন্বিত ৭ ব্যাংক || সিনিয়র অফিসার-05-11-2021 গণিত
873
Add Description

A frog is sitting on vertex A of a square ABCD. It starts jumping to the immediately adjacent vertex on either side in random fashion and stops when it reaches point C, in how many ways can it reach paint C if it makes exactly 7 jumps?

Created: 4 months ago | Updated: 2 months ago
Job Solution Combined Bank (সমন্বিত ব্যাংক) সমন্বিত ৭ ব্যাংক || সিনিয়র অফিসার-05-11-2021 গণিত
870
Add Description

A man purchased a shirt at Taka 300 after availing a discount of 25%. What is the catalog price of the shirt?

Created: 4 months ago | Updated: 2 months ago
Job Solution Combined Bank (সমন্বিত ব্যাংক) সমন্বিত ৫ ব্যাংক | অফিসার ক্যাশ | 25-03-2022 গণিত
710
Add Description