The pH value of pure water is approximately:

A bag contains coins of ₹1, 50p and 25p. The ratio of their values is 2:3:4. If there are 480 coins in total, what is the total amount in the bag?

If $x:y = 3:4$, then the value of $(5x - 2y) / (7x + 2y)$ is:

The value of a diamond is proportional to the square of its weight. If a diamond worth ₹64,000 is broken into two pieces in the ratio 3:5, what is the loss incurred?

If x, 12, 18, and 24 are in proportion, find the value of x.

If x:y = 3:4, what is the value of (4x + 5y) : (5x - 2y)?

A bag contains ₹1, 50p, and 25p coins in the ratio 5 : 6 : 8. If the total value is ₹420, find the number of 50p coins.

Which Excel error occurs when a formula or function contains invalid numeric values?

Which function in Excel is used to find the largest value in a range?

Which Excel tool helps you find the right input value to achieve a specific result?

If $2x + 10 = 30$, then what is the value of $x^2$?

The 'National Air Quality Index' (AQI) in India uses how many pollutants to calculate the index value?

With reference to 'Special Drawing Rights' (SDR) of IMF, consider the following: 1. It is a currency created by the IMF. 2. Its value is based on a basket of five currencies: US Dollar, Euro, Chinese Renminbi, Japanese Yen, and British Pound. Which is correct?

A bag contains ₹1, 50p and 25p coins in the ratio 5:9:25. If the total value is ₹1008, find the number of 50p coins.

If $x/y = 3/4$ and $8x + 5y = 22$, then the value of x is:

A person divides his assets among three sons in the ratio 1/2 : 1/3 : 1/4. If the total asset value is ₹65,000, find the share of the son who gets the least.

If $a/2 = b/3 = c/5$, then the value of $(a+b+c)/c$ is:

If $x:y = 3:4$, what is the value of $(4x-y) : (2x+3y)$?

A bag contains ₹1, 50-paise, and 25-paise coins in the ratio 5:7:9. If the total value of all coins is ₹430, find the number of 50-paise coins.

In a purse, there are ₹1, ₹2 and ₹5 coins in the ratio 4:3:2. If the total money in the purse is ₹500, what is the value of ₹5 coins?