Exercise: 8-E
MENTAL MATHS
Q1: Fill in the blanks:
i. If S.I. and C.I. denote simple interest and interest respectively on the same sum at the same rate of interest for the same period, then the relation between S.I. and C.I. is _______.
Answer: C.I. ≥ S.I.
ii. The basic difference between simple interest and compound interest is that in simple interest, the _________ remains same throughout the loan period while in compound interest it varies.
Answer: principal
iii. If the compound interest (compounded annually) on a sum of money at a certain rate of interest for n years is equal to the simple interest on the same sum at the same rate for the same then n = _________.
Answer: 1
iv. _________ = Principal + Interest.
Answer: Amount
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