In what time will ₹ 6000 amount to ₹6360 at 8% per annum simple interest?

In what time will ₹3600 amount to ₹4320 at 8% per annum simple interest?

In what time will ₹5600 amount to ₹6720 at 8% per annum ?

What sum will amount to Rs. 6,600 in 4 years at 8% per annum simple interest?

In what time will Rs 4400 become Rs 4576 at 8% per annum interest compounded half-yearly?

In what time will Rs 4400 become Rs 4576 at 8% per annum interest compounded half-yearly?

A certain sum amounts to Rs. 320 at 6% per anuum simple interest and to Rs. 360 at 8% per annum simple interest. Find the principal.

What sum will amount to Rs17496 at 8% per annum in 2 years when interest is compounded annually?

What sum will amount to Rs 6760 at 8% per annum in I year when the interest is compounded half yearly?