A General of an Army wants to create a formation of square from 36562 army men. After arrangement, he found some army men remained unused. Then the number of such army men remained unused was
Two pipes of length 1.5 m and 1.2 m are to be cut into equal pieces without leaving any extra length of pipes. The greatest length of the pipe pieces of same size which can be cut from these two lengths will be
Twenty one times of a positive number is less than its square by 100. The value of the positive number is
The value of
(cosec a - sin a) (sec a-cod a) (tan a + cot a)
If 7 sin2θ+3cos2θ=4, then the value of tan θ is (θ is acute)
If a + b = 1, find the value of a3+b3-ab-(a2-b2)2