in an examination 80% of the boys passed in english and 85% passed in mathematics while 75% passed in both .if 45% boys failed in both,the number of boys who sat for the examination was 1)400 2) 450 3) 200. 4) 150
sanjeev49
Asked:
December 2022
The ratio of present ages of Rangitha and shaheen is 6:5. after 12 years the ratio of their ages will be 7:6 what is ramgitha's present age?
sanjeev49
Asked:
December 2022
Machine B and rest machine C. Price of the machine are Rs 45000,Rs 25000, and Rs 35000 respectively . calculate the average cost (in Rs) of these machine?
sanjeev49
Asked:
December 2022
a train passes two bridge of length 500m and 250m is 100 seconds and 60seconds respectively . the length of the train.
sanjeev49
Asked:
December 2022
The area of a circle whose radius is the diagonal of a square whose area is 4 is.
sanjeev49
Asked:
December 2022
If the angle of elevation of the sun changes from 45 degree to 60degree ,then the length of the shadow of a pillar decreases by 10m .the height of the pillars is