CISCE Board - Class 7

Algebra, Exponents & Geometry question bank (Mathematics)

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Q1.

Commercial Arithmetic: In 'Integers, Fractions, Decimals and Rational Operations', what is the compound interest formula?

(A)
$A = P\left(1 + \frac{r}{100}\right)^n$ and $CI = A - P$ (Integers, Fractions, Decimals and Rational Operations)
(B)
$CI = P \cdot r \cdot t$
(C)
$A = P + r$
(D)
None of these
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Q2.

Exponents & Powers: What is the simplified expression for 'Integers, Fractions, Decimals and Rational Operations' using exponential laws?

(A)
Simplified expression $a^{m-n}$ or $a^{mn}$ or $(ab)^n$ (Integers, Fractions, Decimals and Rational Operations)
(B)
$a^m + a^n$
(C)
Zero
(D)
None of these
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