Q.

The difference between a discount of 40% of Rs. 1000 and two successive discounts of 30% and 10% on the same amount.


see full answer

Start JEE / NEET / Foundation preparation at rupees 99/day !!

21% of IItians & 23% of AIIMS delhi doctors are from Sri Chaitanya institute !!
An Intiative by Sri Chaitanya

a

0

b

20

c

30

d

40

answer is C.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

Concept- First consider the given data. Because we need to find the difference between a discount and two consecutive discounts. So let's start by finding 40% of Rupees. Calculate the continuous discount equivalent value at Question ImageAfter finding the value, find the corresponding discount  Rs. 1000. Then subtract the highest value from the lowest value to determine the difference between them.
The goal is to find the difference between one discount and  two consecutive discounts for the same amount. Start by finding discounts from Rs up to 40%. 1000 so we get
Question ImageNow find the equivalent discount for the series of  discounts given by A = 30%. B=10%  through use
Question ImageWe also got a related rebate, so we found a 37% rebate for Rs. 1000. therefore,
Question ImageThen subtract the value obtained  in equation (2) from equation (1)
Question ImageHence, the correct answer is option (3) .
 
Watch 3-min video & get full concept clarity

tricks from toppers of Infinity Learn

score_test_img

Get Expert Academic Guidance – Connect with a Counselor Today!

whats app icon