Advertisements
Advertisements
Question
Find the simple interest on Rs. 5a2b2 for 4ab years at 7b% per annum
Advertisements
Solution
Simple interest = `("Principal" xx "years" xx "rate of interest")/100`
= `(5"a"^2"b"^2 xx 4"ab" xx 7"b")/100`
= `((5 xx 4 xx 7)("a"^2 xx "b"^2 xx "a" xx "b" xx "b"))/100`
= `140/100 ("a"^2"b"^4)`
= `14/10 "a"^3"b"^4`
Simple interest = `7/5 "a"^3"b"^4`
APPEARS IN
RELATED QUESTIONS
Carry out the following divisions:
66pq2r3 ÷ 11qr2
Divide: 24x3y3 by −8y2
Divide: 15a4b by −5a3b
Divide: −24x4d3 by −2x2d5
`(18"m"^4(_))/(2"m"^3"n"^3` = _____ mn5
`("l"^4"m"^5"n"^((_)))/(2"l""m"^((_))"n"^6) = ("l"^3"m"^3"n")/((_))`
`(42"a"^4"b"^5(_))/(6"a"^4"b"^2)` = `(_)"b"^((_))"c"^2`
Simplify `(3"m"^2)/"m" + (2"m"^4)/("m"^3)`
Divide:
5xy2 – 18x2y3 + 6xy by 6xy
Statement A: 4x2 + 3x – 2 = `2(2x^2 + (3x)/2 - 1)`
Statement B: (2m – 5) – (5 – 2m) = (2m – 5) + (2m – 5)
