Question
Which of the following gas is used in the preparation of
the bleaching powder?Solution
Bleaching powder is prepared on a large scale by passing the chlorine gas through a solution that contains calcium hydroxide. Bleaching powder is also sold on the basis of the available chlorine, which is liberated when it is treated with the dilute acid.
The price of a product P was increased by 60% and then decreased by 25%. After these changes, the prices of products P and Q are in the ratio 9:7. If th...
Monthly income of Aisha and Tom is Rs. 75,200 and Rs. 82,000 respectively. Aisha spends 13%, 18%, and 22% on house rent, food, and education of children...
A man spends 23% and 10% of his monthly salary on rent and transportation, respectively. Out of the remaining money, he spends 31% on food and 46% on en...
Sahil spends 30% of his monthly income on food articles, 40% of the remaining on conveyance and clothes and saves 50% of the remaining. If his monthly s...
In a ward member election, a candidates secure 67% of the votes and is elected by majority of 5100 votes. The total number of votes polled is?
The total strength of school A is 60% more than that of school B. In school A and B, out of total number of students, 10% and 20% respectively are girls...
A man spends 20% of his monthly salary on rent and 35% on other expenses. He invests the remaining salary in shares and fixed deposits in the ratio of 7...
The income of Tina is Rs.26000 and she saves 30% of her income. The savings of Kajal is Rs.3000 more than that of Tina and she spends 60% of her income....
Milk becomes 15% costlier. Find the percentage decrease in usage to maintain the same expenditure.Round to the nearest whole number.
- A person "P" allocates their monthly income as follows: First, 25% is spent on education. From the remaining amount, 40% is used for food. After that, 20% ...
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