Question
320 is how much percentage less than
400?Solution
400-320 =80 less percentage =80/400 ×100 =20%
If n = 6 + √13, then find the value of (n + 1/n)².
If a = 901, b= 903, and c= 906, then find the value of a³ + b³ +c³ –3abc?
x + y = 4, xy = 2, y + z = 5, yz = 3, z + x = 6 and xz =4, then find the value of x 3  + y 3  + z 3  – 3xyz.
...Solve for x:
3x - 4 = 2x + 5
Solve: 1/x + 1/y = 5/2 and 1/x – 1/y = 1/6
If x + y + z = 20, x² + Y² + z² = 160 and x z = y², then find the value of x z?
- If 2a - 3b = 8 and ab = 7, then find the value of 2a + 3b.
A man covered 40 km by bus and rest 25 km on foot. If the speed of the bus is 150% more than that of the man and the whole distance is covered in 2 hour...
If x/y = 5/3, Find (x+y)/(x-y)?
In a class of 70 students and 25 teachers, each student got gifts that were 20% of total number of students and each teacher got gifts that were 10% of ...
Relevant for Exams:
