Question
The elements present in the carbohydrates are
Solution
The general formula of Carbohydrate is Cx(H2O)y
A man observes the top of a lighthouse from a point on the ground 30 m away from its base. If the angle of elevation is 60°, what is the height of the ...
- Anita spends 18% of her monthly income on rent and 70% of the rest on household expenditure. If she saves Rs. 1,890, then find her monthly income.
- From a point 'P' on level ground, the angle of elevation to the top of a tower 60 metres tall is 45⁰. Calculate the shortest distance from point 'P' to t...
- An article is sold at a loss of 10% and its selling price is Rs. 210 less than the selling price when it is sold at a profit of 20%. If the article is actu...
In a container, the ratio of milk to water is 9:7. If 32 litres of water is added, the quantities of milk and water become equal. What is the total quan...
- A swimmer decided to swim for 8 hours. He swims 8 laps in an hour. He takes a break of 20 minutes after every hour. How many laps does he complete in 8 hou...
- Pipe ‘P’ alone can fill a tank in 12 minutes. If pipes ‘P’ and ‘Q’ are operated together, they fill the tank in 16 minutes. Find the time taken...
A circle has its area eleven times greater than its circumference in numeric value. Find the circle’s diameter.
- Find the simplified value of the expression:
81 ÷ 9 of 3 × 4 + [12 of 5 – {18 of 2 × (10/5) ÷ 36}] – 15 - The average height of 30 boys is 165 cm and the average height of another group of 25 boys is 172 cm. What is the average height (in cm) of all the boys to...