The greatest number of 5 digit that exactly divisible by each 8,12,15 and 20.

The least number of 5 digit which exactly divisible by 52, 56, 78 and 91.

The number between 22000 and 23000 that divisible by each of 12,18,21 and 32

The greatest number of six digit which gives reminder 10, when divisible by 36, 48, 54, 60 and 90

The least number of 5 digit which is divisible by 45, 60, 75 and 120 when it is added to 119.

Let X be the smallest number, which when added to 2000 makes resulting  number  divisible by 12 ,16,18,and 21. The sum of the number of X is

The number which when divide by a,b,c leaves remainder x,y,z respectively such that

K= a-x=b-y=c-z 

Find number ?

M is the largest 4 digit number, which when divisible by 4, 5, 6,7 leaves remainder as 2,3,4 and 5 respectively. What will be the remainder when M is divisible by 9.

2x+3y+7=0 ,

3x + 2y+9= 0 find the value of x and y.

Find the principal value of the following inverse function in radian:

\(Sin^{-1}({1}/{2})\)

Find the principal value of inverse function in radian

:\( Cos^{-1}(\frac{1}{√2})\)