Multiply any number by 15| Multiplication trick

Find the largest number among 5 numbers

Sum of digits of a number

Display reverse number in python

Find the length of the train

Find the value of x if 4sin²60° +2xcos60° -tan²60° -5tan36°.tan54°=0

If (5/2)a=4b find the value of (a+b)/(a-b)

Mixed fractions and compound fractions

Arrange 1/7, 3/8, and 2/9 in ascending order

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

If x^5= 5^x, find the value of x

If x=3 and y=³√26, find (x+y) + 1/(x²+xy+y²)

Find the value of x+y+z

If a^m/b^n - b^n/a^m=15, find the value of a^m/b^n+b^n/a^m

Find the square root of 15+4√11

If 999×pqr=uvw456, find the value of p,q,r,u,v,w

If 3a=6b=9c=12d, find the value of (a+b)/(c+d)

Find the 2 digit positive number if the number is 2 times the sum of digits

If a+b+c=12, ab+bc+ca=47, find the value of a²+b²+c²

Find the number if 5 times of the number is 3 less than twice of its square

Half of a number is 12. What is the 3/4th of that number

Find the square root of 200×201×202×203+1

If (1 - 1/2)(1 - 1/3)(1 - 1/4)(1 - 1/5) = x/5 find the value of x

If 1/x + 1/y = 1/(x+y) prove that x³= y³

Explain the value of factorial zero