Two defective bulbs are mixed accidentally with 10 good ones.find the probability distribution of the no. Of defective bulbs in 3 bulbs drawn at random in succession without replacement and also find variance of the distribution
A cycle Tyres company supplies tyres in bundles,each having 10.there is a chance of having one defective tyre of each 500 tyres.then out of 1000 bundles, approximately how many bundles do not having defective tyres?
‘Education Commission 1964-66 had recommended that at least 6 per cent of GDP must be spent on education’. How far India has been able to achieve the said goal?