Question

At what time between 7 and 8 o'clock will the hands of a clock be in the same straight line but, not together

• A. 7hrs 5 min.
• B. $7 hrs 5\frac{2}{11} minutes
• C. $7 hrs 5\frac{5}{11} minutes
• D. $7 hrs 5\frac{3}{11} minutes

Answer 1

Answer:

C. $7 hrs 5\frac{5}{11} minutes

From 7 to 8

Minute and Hour hand of clock at straight line is

7hrs past $\frac{60}{55}M$

$=\frac{60}{55}\times{05}$

$=\frac{60}{11}=5\frac{5}{11}minutes$

$7 hrs 5\frac{5}{11}minutes$