In a simply supported slab, alternate bars are curtailed at
A
$${\frac{1}{4}^{{\text{th}}}}$$ of the span
B
$${\frac{1}{5}^{{\text{th}}}}$$ of the span
C
$${\frac{1}{6}^{{\text{th}}}}$$ of the span
D
$${\frac{1}{7}^{{\text{th}}}}$$ of the span
Correct Answer: $${\frac{1}{7}^{{\text{th}}}}$$ of the span