Q128 of 140 Page 196

Harish bought a gas-chullah for Rs 900 and later sold it to Archana at a profit of 5 per cent. Archana used it for a period of two years and later sold it to Babita at a loss of 20 per cent. For how much did Babita get it?

Given, Chullah was bought for 900 and sold at a 5% profit


⇒ CP of Chullah for ARchana = 900 + 5% of 900


= 900 + × 900


= 900 + 45 = 945


⇒ ARchana sold chullah for Babita at a loss of 20%


∴ CP of chullah for Babita = 945 – 20% of 945


= 945 - × 945


= 945 – 189


= 756


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126

Ambika got 99 per cent marks in Mathematics, 76 per cent marks in Hindi, 61 per cent in English, 84 per cent in Science, and 95% in Social Science. If each subject carries 100 marks, then find the percentage of marks obtained by Ambika in the aggregate of all the subjects.

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What sum of money lent out at 16 per cent per annum simple interest would produceRs 9600 as interest in 2 years?

 129

Match each of the entries in Column I with the appropriate entries in Column II:

Column I


i. 3:5


ii. 2.5


iii. 100%


iv.


v.


vi. 12.5%


vii. SP when CP = Rs 50 and loss = 6%


viii. SP when CP = Rs 50 and profit = Rs 4


ix. Profit % when CP = Rs 40 and SP = Rs 50


x. Profit when CP = Rs 50 and SP = Rs 60


xi. Interest when principal = Rs 800,


Rate of interest = 10% per annum and period = 2 years


xii. Amount when principal = Rs 150, Rate of interest = 6% per annum and period = 1 year


Column II


A. Rs 54


B. Rs 47


C. Rs 53


D. Rs 160


E. 60%


F. 25%


G.


H. 250%


I. Rs 159


J.


K. 20%


L. 0.125


M. 3 : 2


N. Rs 164


O. 3 : 3

130

In a debate competition, the judges decide that 20 per cent of the total marks would be given for accent and presentation. 60 per cent of the rest are reserved for the subject matter and the rest are for rebuttal. If this means 8 marks for rebuttal, then find the total marks.