The average of the first and the second of three numbers is 15 more than the average of the second and the third of these numbers . what is the difference between the first and the third of these three numbers?

Created: 3 months ago | Updated: 3 weeks ago
Job Solution Combined Bank (সমন্বিত ব্যাংক) Two Combined Bank Recruitment Test - Officer 28.09.2018 গণিত
362
Add Description

Related Questions

there are 5 red and 3 black in a bag probability of drawing a black ball is

Created: 2 months ago | Updated: 3 weeks ago
Job Solution Combined Bank (সমন্বিত ব্যাংক) Sonali Bank Ltd. Senior Officer Recruitment 01.06.2018 গণিত
411
Add Description

Three angles of a triangle are in proportion 5: 6: 7. Then what is the difference in degrees between he biggest and the smallest angles?

Created: 2 months ago | Updated: 4 weeks ago
Job Solution Combined Bank (সমন্বিত ব্যাংক) Sonali, Rupali, Bangladesh Krishi, Rajshahi krishi unnayn,Investment Corporation of Bangladesh | 30.11.2018 গণিত
654
Add Description

A water tank has two taps ( Tap-1 and Tap-2) : Tap-1 can fill a tank in 8 hours and Tap-2 can empty the tank in 16 hours . How long will they take to fill the tank if both taps are opened simultaneously but Tap -2 is closed after 8 hours?

Created: 2 months ago | Updated: 4 weeks ago
Job Solution Combined Bank (সমন্বিত ব্যাংক) Sonali, Rupali, Bangladesh Krishi, Rajshahi krishi unnayn,Investment Corporation of Bangladesh | 30.11.2018 গণিত
841
Add Description

The average of the three numbers x , y and z is 45 , x is greater than the average of y and z by 9. The average of y and z is greater than y by 2 .Then the difference of x and z is:

Created: 2 months ago | Updated: 4 weeks ago
Job Solution Combined Bank (সমন্বিত ব্যাংক) Sonali, Rupali, Bangladesh Krishi, Rajshahi krishi unnayn,Investment Corporation of Bangladesh | 30.11.2018 গণিত
842
Add Description

A sold a watch to B at a gain of 20% and B sold it to C at loss of 10%. If C bought the watch for TK.216 at what price did A purchase it?

Created: 2 months ago | Updated: 4 weeks ago
Job Solution Combined Bank (সমন্বিত ব্যাংক) Senior Officer- 8 Bank Recruitment Test 31-08-2018 গণিত
732
Add Description