(12/25) × (15/28) × (35/36)
By the rule Multiplication of fraction,
Product of fraction = (product of numerator)/ (product of denominator)
Then,
= (12×15×35)/ (25×28×36)
On simplifying we get,
= (1×3×5) / (5×4×3)
Again simplifying we get,
= (1×1×1)/ (1×4×1)
= (1/4)