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Data Interpretation
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( 1 ) Rs. 800 amounts to Rs. 920 in 3 years at simple interest. If the interest rate is increased by 3%, it would amount to how much ?
- 1) Rs. 992
- 2) Rs. 1112
- 3) Rs. 1056
- 4) Rs. 1182
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Show Answer Report Discussion in forumAnswer : 1) Rs. 992
Solution : Principal = 800 SI = 120 Time = 3 year
Rate = (100*120/800*3) = 5%
New rate = 8 % principal = 800 time 3 year
SI = (800*8*3/100) = 192
New amount = 800 + 192 = 992
discussion
Answer : 1) Rs. 992
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( 2 ) Rashi deposits an amount of Rs.95000 at the rate of 12 p.c.p.a simple interest for 4 years. What total amount will Rashi get at the end of 4years?
- 1) Rs.45600
- 2) Rs.93100
- 3) Rs.140600
- 4) Rs.188100
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Show Answer Report Discussion in forumAnswer : 3) Rs.140600
Solution : Total Amount = Principal + Simple Interest
Simple Interest = Principal * Rate * Term/100
= 95000 * 12 * 4/100 = Rs.45600
Therefore, the amount = Rs.95000 + Rs.45600 = Rs.140600.Ans.
discussion
Answer : 3) Rs.140600
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( 3 ) Sam invested a certain amount of money and got back an amount of $ 8400. If the bank paid an interest of $ 700, find the amount Sam invested.
- 1) 7700
- 2) 8000
- 3) 9000
- 4) 9977
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Show Answer Report Discussion in forumAnswer : 1) 7700
Solution : Amount (A) = $ 8400,
Simple Interest (SI) = $ 700
Principal (P) = Amount (A) - Interest (I)
= 8400 - 700
= 7700
Therefore, Sam invested $ 7700.
discussion
Answer : 1) 7700
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( 4 ) Simple interest on a certain sum 16/25 of the sum. if both the rate of interest and time are same. then what is the rate of interest?
- 1) 7%
- 2) 8%
- 3) 16%
- 4) 21%
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Show Answer Report Discussion in forumAnswer : 2) 8%
Solution : Let the principal be Rs x. Then, S.I = Rs(16x/25)
Let, rate = R% p.a
and time = R yearss. Then,
S.I = (P*T*R)/100 ==>16X/25
= x*R*R/100 ==> R*R = 64 = 8
Hence,rate = 8% p.a and time = 8 years
discussion
Answer : 2) 8%
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( 5 ) The difference between the simple interest received from two different sources on Rs.1500 for 3 years is Rs.13.50. The difference between their rates of interest is
- 1) 0.10%
- 2) 0.20%
- 3) 0.30%
- 4) 0.40%
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Show Answer Report Discussion in forumAnswer : 3) 0.30%
Solution : 1500 * R1 * 3/100 - 1500 * R3 * 3/100 = 13.50
=> 4500(R1 - R2) = 1350
=> R1 - R2 = 1350/4500=0.3%
discussion
Answer : 3) 0.30%
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( 6 ) A lent Rs. 5000 to B for 2 years and Rs 3000 to C for 4 years on simple interest at the same rate of interest and received Rs 2200 in all from both of them as interest. The rate of interest per annum is
- 1) 9%
- 2) 10%
- 3) 11%
- 4) 12%
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Show Answer Report Discussion in forumAnswer : 2) 10%
Solution : Let R% be the rate of simple interest then,
from question we can conclude that
(5000 * R * 2/100) + (3000 * R * 4/100) = 2200
=> 100R + 120R = 2200
=> R = 10%
discussion
Answer : 2) 10%
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( 7 ) Satish took a loan at 10% p.a. S.I. After 4 years, he returned the principal along with the inlerest. If he returns in all Rs. 3500, what is the principal amount?.
- 1) Rs. 3250
- 2) Rs. 3150
- 3) Rs. 2500
- 4) Rs. 2100
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Show Answer Report Discussion in forumAnswer : 3) Rs. 2500
Solution : Let principal be x then x + (x * 10 * 4)/100 = 3500 hence x = 2500
discussion
Answer : 3) Rs. 2500
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( 8 ) A certain amount earns simple interest of Rs. 1200 after 10 years. Had the interest been 2% more, how much more interest would it have earned?
- 1) Rs. 25
- 2) None of these
- 3) Rs. 120
- 4) Cannot be determined
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Show Answer Report Discussion in forumAnswer : 4) Cannot be determined
Solution : Since we do not have the principal and rate of interest, we can not find out the required details.
discussion
Answer : 4) Cannot be determined
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( 9 ) Anurima invests an amount of Rs.12710 on simple interest after a certain period. For how many years did she invest the amount to obtain the total sum?
- 1) 6 years
- 2) 8 years
- 3) 5 years
- 4) 4 years
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Show Answer Report Discussion in forumAnswer : 1) 6 years
Solution : Term ( or no. of years etc ) = Simple Interest * 100/Principal * rate
Simple Interest = Rs.12710 - Rs.10250 = Rs.2460
Therefore, the term = 2460 * 100/4 * 10250 = 6 years. Ans.
discussion
Answer : 1) 6 years
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( 10 ) Richard deposits $ 5400 and got back an amount of $ 6000 after a year. Find the simple interest he got.
- 1) 500
- 2) 700
- 3) 600
- 4) 400
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Show Answer Report Discussion in forumAnswer : 3) 600
Solution : Principal (P) = $ 5400,
Amount (A) = $ 6000
Simple Interest (SI) = Amount (A) - Principal (P)
= 6000 - 5400
= 600
Therefore, Richard got an interest of $ 600.
discussion
Answer : 3) 600
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