Articles practice exercises for Airforce exam Part 3

Ravish exercised for 3/6 an hour, while Rohit exercised for 3/4 of an hour Who exercised for a longer time ?

Mr. A writes an article. The article originally is error free. Each day Mr. B introduces one new error into the article. At the end of the day, Mr. A checks the article and has (2)/(3) chance of catching each individual error still in the article. After 3 days, the probability that the article is error free can be expressed as (p)/(q) where p and q are relatively prime positive integers. Let lambda=q-p , then find the sum of the digits of lambda .

Rafiq exercised for 3/6 of an hour, while Rohit exercised for 3/4 of an hour. Who exercised for a longer time?

A cottage industry produces a certain number of pottery articles in a day. It was observed on a particular day that the cost of production of each article (in rupees) was 3 more than twice the number of articles produced on that day. If the total cost of production on that day was Rs 90. Find the number of articles produced and the cost of each article.

A cottage industry produces a certain number of pottery articles in a day. It was observed on a particular day that the cost of production of each article (in rupees) was 3 more than twice the number of articles produced on that day. If the total cost of production on that day was Rs 90. Find the number of articles produced and the cost of each article.

The cost of manufacturing x articles is Rs. (50+3x). The selling price of x articles is Rs. 4x. On a graph sheet, with the same axes, and taking suitable scale draw two graphs, first for the cost of manufacturing against no. of articles and the second for the selling price against number of articles. Use your graph to determine (i) No. of articles to be manufactured and sold to break even (no profit and no loss), (ii) The profit or loss made when a. 30 b. 60 articles are manufactured and sold.

Q1 exercise- 2.1 part - 1

Q1 exercise- 2.1 part - 1

Q1 exercise- 2.1 part - 2

Cleanliness, rest and sleep, and physical exercise are a part of ............. hygiene.