Verified answer

Given,

SI = 10,920

P = ₹70,000

R = 5.2 %

[tex] T = \frac{10920 \times 100}{70000 \times 5.2} [/tex]

[tex] \: \: \: \: = \frac{10920 \times 1000}{70000 \times 52} [/tex]

[tex] = 3 \: years[/tex]