railway RRB Technician Grade 3 Mock Test 2024 Quantitative Aptitude Speed Time and Distance Boat and River
A boat covers 24 km upstream and 36 km downstream in 10 hours, and 36 km upstream and 24 km downstream in 12 hours. The speed of the current is:
1
\(\rm \frac{33}{13}\frac{km}{h}\)
2
\(\rm \frac{26}{9}\frac{km}{h}\)
3
\(\rm \frac{24}{7}\frac{km}{h}\)
4
\(\rm \frac{25}{8}\frac{km}{h}\)