Question

8. The simple interest on Rs . 6000 at 2.5% p.a for 2 years is *
Rs 350
Rs 300
Rs 200
Rs 120
9. The area of the given ring is *


2200 cm2
2124 cm2
1144 cm2
2400 cm2

Answer 1

8. principal amount, p=6000, r=2.5% , n=2years

Simple interest = (p x n x r) / 100

=(6000 x 2.5 x 2) / 100

= 300 Rs

9. area of ring = area of bigger circle - area of smaller circle

= (22/7) x r1 x r1 - (22/7) x r2 x r2

here r1 = 20 cm , r2 = 6 cm

area of ring = (22/7) x ( 20 x 20 - 6 x 6 )

= (22/7) x 364

= 22 x 52

= 1144 sq. cm

Answer 2

Answer:

8. —»

★ Given :

Principal = Rs. 6000

Rate of interest = 2.5 p.c.p.a

Time = 2 years

★ To find :

Simple interest

★ Method :

Simple interest = P×T×R/100

Simple interest = 6000 × 2 × 2.5 /100

Simple interest = 300

★ Answer :

Simple interest is Rs. 300

9. —»

★ 1144 cm²

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