Quant Quiz

Q-No.1 ► A sum of Rs. 5000 amount to Rs. 6050 in 2 yr. What is the rate of the interest?

15%

11%

21%

None of these

Simple interest = Amount – Principal
 = 6050 – 5000
 = Rs. 1050 

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Q-No.2 ► What amount a man would have received on a principal of Rs. 4000 after 2 yr at simple interest at the rate of 5% p.a. ?

Rs. 4161

Rs. 5200

Rs. 4400

Rs. 4100

.. 

Amount = 4000 + 400 = Rs. 4400

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Q-No.3 ► Rs. 800 become Rs. 956 in 3 yr at certain simple rate of interest. If the rate of interest increases by 4%, what amount will Rs. 800 become in 3 yr. ?

Rs. 1020.8

Rs. 1025

Rs. 1052

Data inadequate

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Q-No.4 ► Kriti took a lone at simple interest rate of 6% in the year with an increase of 0.5% in each subsequent year. She paid interest of Rs. 3375 after 4 year. How much loan did she take?

Rs. 12500

Rs. 33250

Rs. 15800

Cannot be determined

Total interest = Rs. 3375
 Rate = 6%
 and increasing by 0.5% every year
 Let total Loan Amount = P

 P = (3375 * 100)/(6 * 1 + 6.5 * 1 + 7 * 1 + 7.5 * 1) 
= 337500/27 
= Rs. 12500

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Q-No.5 ► Shamita took a lone at simple interest at rate of 6% p.a. in the first year and it increased by 1.5 p.a. every year. If she pays Rs. 8190 as interest at the end of 3 year, what was her loan?

Rs. 36000

Rs. 35400

Cannot be determined

None of these

P = (8190 * 100)/(6 + 7.5 + 9) = 819000/22.5 = Rs. 36400

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Q-No.6 ► Mr. A leads 40% of sum at 15% p.a. 50% of rest sum at 10% p.a. and the rest sum at 18% p.a. rate of interest. What would be the rate of interest, if the interest is calculated on the whole sum?

13.4% p.a.

14.33% p.a.

14.4% p.a.

13.33% p.a.

.
Let total sum = Rs. 100 

Interest on first part = (40 * 15 * 1)/(100) = Rs. 6 

Interest on second part = (30 * 10 * 1)/(100) = Rs. 3 

Interest on third part = (30 * 18 * 1)/(100) = Rs. 5.4 

Total interest = 6 + 3 + 5.4 = 14.4 

Rate of interest = 14.4%

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Q-No.7 ► What will be the difference between the interest accrued on a sum of Rs. 4500 at 12% p.a. for 2 year and that on a sum of Rs. 5600 at 9% p.a. for 2 year?

Rs. 75

Rs. 72

Rs. 69

Rs. 76

SI = (4500 * 12 * 2)/100 = Rs. 1080 

SI = (5600 * 9 * 2)/100 = Rs. 1008 

Difference = 1080 – 1008 = Rs. 72

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Q-No.8 ► The simple interest accrued on an amount at the end of 5 year at 12.5% is Rs. 1575. What is the amount?

Rs. 2050

Rs. 2550

Rs. 2250

Rs. 2520

P = (1575 * 100)/(12.5 * 5) 

= Rs. 2520

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Q-No.9 ► A sum of Rs. 3200 become Rs. 3456 in 2 year at a certain rate of simple interest. What is the rate of interest per annum?

5.5%

6%

4%

4.5%

SI = 3456 – 3200 = Rs. 256 

R = (256 * 100)/(3200 * 2) = 4%

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Q-No.10 ► What total amount would mithilesh get at the end of 3 year, if he invests an amount of Rs. 11200 in a scheme which offers simple interest at the rate of 8.5% for?

Rs. 14056

Rs. 14348

Rs. 13852

Rs. 15064

SI = (11200 * 8.5 * 3)/(100) = Rs. 2856 

Total amount = 11200 + 2856 = Rs. 14056