Alphanso and Neelam are

Neelam is taking up subjects - Mathematics, Physics and Chemistry. She estimates that her probabilities of receiving a grade A in these courses. are 0.2, 0.3 and 0.9 respectively. If the grades can be regarded as independent events, find the probabilities that Neelam receives : Exactly two A’s .

Neelam has offered physics, chemistry and mathematics in Class XII. She estimates that her probabilities of receiving a grade A in these courses are 0.2, 0.3 and 0.9 respectively. Find the probabilities that Neelam receives (i) all A grades (ii) no A grade (iii) exactly 2 A grades.

Study the following information carefully and answer the questions given below. Following are some conditions for short-listing candidates for the interview for management trainees in an organization. The Candidate must (i) not less than 21 yr and more than 28 yr as on 1st Nov, 2010. (ii) have secured atleast 60% marks in graduation. (iii) have secured atleast 65% marks in the preliminary selection examination (iv) have secured atleast 55% marks in the final selection examinations. (v) be ready to join work immediately after the interview. In case of a candidate, who fulfils all other criteria except. (a) at (iv) but has secured more than 72% marks in preliminary selection examination, his/her case is to be referred to Deputy General Manger. (b) at (ii) but has secured atleast 65% marks in post-graduation, his/her is to be referred to General Manger. In each of the questions given below. You have to study the information provided with reference to teh conditions given above and decide whether the candidate is to be called for an interview or some other course of action is to be taken. You are not to assume anything other than the information provided to you in each question. All these cases are given to you as on 1st Nov, 2010. Now, read the information provided in each question and decide the course of actions with regard to each candidate. Neelam Srivastava has secured 75% marks in the preliminary selection examination. She was 22 yr old as on 5th Dec, 2006. She has secured 65% and 60% marks in the final selection examination and in graduation, respectively. She is ready to join immediately after the interview.

The ratio between the school ages of Neelam and Shaan is 5:6 respectively. If the ratio between the one-third age of Neelam and half of Shaan's age is 5:9, then what is the school age of Shaan?

If the school bags of Neelam and Garima weight 6 kg 80 g and 5 kg 265 g respectively, whose bag is heavier and by how much?