engineering recuitment FSSAI Assistant Mock Test 2021 Quantitative Aptitude Number System Quick Math
A frog tries to come out of a dried well 4.5 m deep with slippery walls. Every time the frog jumps 30 cm, slides down 15 cm. What is the number of jumps required for the frog to come out of the well?
1
28
2
29
3
30
4
31