state gov DSSSB Junior Assistant, Steno and LDC Mock Test 2023 - 24 Quantitative Aptitude Speed Time and Distance
Rana, Sona and Tina participate in a running competition. Each of them takes below 30 seconds to complete the race. Rana who is the winner takes between 5 to 10 seconds to complete the race. The product of the timing of all three (in seconds) is multiple of 77 and 161. Find the time taken by Tina, who finished last.
1
21 seconds
2
27 seconds
3
24 seconds
4
23 seconds