Find the value of `(-2)times(-1)`
(a) 2
(b) -2
(c) -1
(d) 1

Find the value of [-e ] is ( a ) -2 ( b ) -3 ( c ) -1 ( d ) 0

Find the value of x if 2^(x-3)=1 (a) 1 (b) 2 (c) 3 (d) 4

Find the value of ( a - b ) times ( a + b ) + ( b -c ) times ( b + c ) + ( c + a ) times ( c - a ) = A) -1 B) 0 C) 1

Find the value of ( -1/2 )^5 / ( -1/2 )^4 ÷ ( ( -1/8 ) )/( (-1/4 ) ) is ( A ) 2 ( B ) 0 ( C ) 1 ( D ) -1

Find the value of (( 2^0 + 1)/ 5^0 ) is ( a ) 2 ( b ) 1 ( c ) ( 2/5 ) ( d ) ( 3/5 )

Find the value of ( 1 5/9 ) times ( -3 3/8 ) ÷ ( - 7 times 3/4 ) is ( a ) 1/2 ( b ) -1/2 ( c ) 1 ( d ) -1

Find the value of ( ( 1/3 )^(-2) + ( 1/4 )^(-2) ) ÷ ( 1/5 )^(-2) ( a ) 0 ( b ) -1 ( c ) 1 ( d ) 7/5

Find the value of (-9/5 +( -8/5 ) ÷ 5/2 times (-5/4 ) ) (a) -1 (b) -3 (c) 2 (d) -8