If a cube whose side is 7.5 cm, what will be its volume?

If $$ {3^{4x-y}={3^{x+y}=\sqrt{27}}}$$,  then the value of y is:

The following Charts shows the amount of grain exported (in million kg ) by a country during 2013–18.

In which year did jute exports become the highest?

The following Charts shows the amount of grain exported (in million kg ) by a country during 2013–18.

What is the maximum per cent more than the minimum export in the given period?

In the following figure if OA=10 and AC=16, then OB must be:

The value of $$ cot\ {π\over 20}\ cot{3π\over 20} \cot{5π\over20}\ cot{7π\over 20}\ cot {9π\over20}$$ is:

In the given figure AD ‖ BC, if ∠ABC=72°, then ∠BCD=?

If $$ {x+{1\over 16x}}=1 $$, then $$ {64x^{3}+{1\over 64x^{3}}}$$ will be: