For the following questions answer them individually
X and Y together can do a work in $$2\frac{2}{5}$$ days. Y and Z together can do the same workin 3 days. and X and Z together can do the same work in 4 days. The time taken by X, Y and Z together to do the same work is:
The average of the squares of four consecutive even natural numbers is 126. The average of 8 times of the greatest number and 5 times of the smallest number is:
A gold lion passant holding a sword in its right fore paw, is the national symbol of ______.
In September 2020, an MoU was signed between the Ministry of AYUSH and Ministry of Women and Child Development for controlling: