The average of 13 numbers is 8. If each number is multiplied by 7, then what will the new average be:
The average of 13 numbers is 8. If each number is multiplied by 7, then what will the new average […]
Maths
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Two taps can fill a cistern in 4 hours and 38 hours respectively.
Two taps can fill a cistern in 4 hours and 38 hours respectively. A third tap can empty it in
Three friends X, Y and Z started a business by investing a sum of money in the ratio of 4: 2 : 5.
Three friends X, Y and Z started a business by investing a sum of money in the ratio of 4:
If $a : b = 2 : 3$, then find the value of $(7a^3 – 2b^3) : (b^3 – a^3)$.
If $a : b = 2 : 3$, then find the value of $(7a^3 – 2b^3) : (b^3 – a^3)$.
A trader sells two aticles at the same selling price. On One, he makes 10% profit,
A trader sells two aticles at the same selling price. On One, he makes 10% profit, on the other, he
Which of the following is greater than $\overline 0.{72} $?
Which of the following is greater than $\overline 0.{72} $? निम्नलिखित में से कौन $\overline 0.{72} $ से बड़ा है?
$10\frac{2}{3}+3\frac{1}{6} -5\frac{5}{6} – 2\frac{1}{3}=? $
$10\frac{2}{3}+3\frac{1}{6} -5\frac{5}{6} – 2\frac{1}{3}=? $
In an election contested by two candidates, 1,780 votes were declared invalid.
In an election contested by two candidates, 1,780 votes were declared invalid. The winning candidate secured 82% of the valid
The average of five numbers is 38. If one number is removed, then the average become 30. What is the removed number?
The average of five numbers is 38. If one number is removed, then the average become 30. What is the
A Solution of milk and water contains 60% milk.
A Solution of milk and water contains 60% milk. How many litres of pure milk must be added to 40
The mean marks of the following distribution is:
The mean marks of the following distribution is: निम्नलिखित बंटन के माध्य अंक ज्ञात कीजिए।
P can do a piece of work in 40 days. He worked on it for 10 days and then Q finished the work in 30 days. In how many days can P and Q together finish the work?
P can do a piece of work in 40 days. He worked on it for 10 days and then Q
A sum of ₹980 was divided among A, B, and C such that A received $\frac{3}{7}$ of B’s share and C received 75% of A’s share. Find C’s share.
A sum of ₹980 was divided among A, B, and C such that A received $\frac{3}{7}$ of B’s share and
simplify: \(\frac{1 +cos\theta}{sin\theta} +\frac{sin\theta}{1+cos\theta}\)
simplify: \(\frac{1 +cos\theta}{sin\theta} +\frac{sin\theta}{1+cos\theta}\) सरल करें: \(\frac{1 +cos\theta}{sin\theta} +\frac{sin\theta}{1+cos\theta}\)
Find the value of \(\sqrt{{385}+\sqrt{{213} +\sqrt{{144}}}}\)
Find the value of / मान ज्ञात कीजिए। \(\sqrt{{385}+\sqrt{{213} +\sqrt{{144}}}}\)