If $2^{x+y}$ = $2^{x-y}$ = 16 then y is
2
4
0
1
Additional Questions
|
If x + y = 12 and xy = 32 then $\dfrac{1}{x}$ + $\dfrac{1}{y}$ is |
Answer |
|
1$\div\dfrac{5}{7}$ of 6$\dfrac{3}{10}$-$\dfrac{2}{9}$ = ? |
Answer |
|
By selling an article for Rs.480, a person lost 20%. For what amount should he sell it to make a profit of 20%? |
Answer |
|
The highest common factor and lowest common multiple of two numbers are 12 and 144 |
Answer |
|
Three numbers are in the ratio 3:4:5 and their LCM is 240. Then the HCF of these number is |
Answer |
|
LCM of two numbers is 14 times their HCF. The sum of LCM and HCF is 600. If one number is 280 then the other number is |
Answer |
|
The compound interest on Rs. 30,000 at 7% per annum is Rs. 4,347. The period in years is |
Answer |
|
A sum of money doubles itself in 20 years in simple interest. Then the rate of interest per annum is |
Answer |
|
The difference between compound interest and the simple interest on Rs. 1,250 for 2 years at 8% is |
Answer |
|
A flower garden is in the shape of a rhombus. The length of its diagonals are 18 m and 25 m. Find the area of the flower garden. |
Answer |