Maths / Comparing Quantities / Simple Interest

QUESTION
 

Find the rate of interest at which a sum of Rs. 800 amounts to Rs. 920 in 3 years at simple interest.

OPTIONS
A. 

5%

B. 

4%

C. 

6%

D. 

10%

Right Option : A

EXPLANATION
Explain TypeExplanation Content
Text

S.I = Rs. (920 – 800) = Rs. 120; P = Rs. 800, T = 3 yrs R = ( 100 X 120 )% / 800 X 3 = = 5%New rate = (5 + 3) % = 8%New S.I. = Rs. (800 X 8 X 3)/ 100== Rs. 192.New amount = Rs. (800 + 192) = Rs. 992

 

Related Videos

































View Contents
(Concept based Learning and Testing for [6th - 10th], NTSE, Bank & Govt. Exams)
Self Learning
Testimonials
No Preview
PARENT FEEDBACK c/o Ayan Ghosh C/o ABHYAS Academy
 8th
Third consective year,my ward is in Abhyas with nice experience of admin and transport support.Educational standard of the institute recumbent at satisfactory level. One thing would live to bring in notice that last year study books was distributed after half of the session was over,though study meterial was given but question answer parts of the books were not discussed.
Back
Courses We Offer
(Concept based Learning and Testing for [6th - 10th], NTSE, Bank & Govt. Exams)