4(5)2=……..?
a) 100
b) 40
c) 400
d) 44
Solution:4(5×5) = 4 (25) = 100
35 × 33 =………?
a) 315
b)915
c) 38
d) 99
Solution:35 × 33 = 35+3 = 38
(5x7) (x6) =…………?
a) 5x42
b)5x13
c)42 x13
Solution:(5x7) (x6) = 5x6+7 = 5x13
((32)3)2 =
………….?
a) 99
b)312
c)37
d) 316
Solution:32×3×2=212
27 × 20 =………….?
a) 47
b)40
c)0
d) 27
Solution:27 × 20 = 27 × 1 =27
