In questions 60 to 79- state whether the statements are True or False- - 6400 were lent to Feroz and Rashmi at 15 - per annum for 3 1-2 and 5 yr- respectively- The difference in the interests paid by them is - 150-

Name: EXEMP - Grade 07 - MATHEMATICS - Comparing Quantities - Q78
Uploaded: 2022-07-04T10:36:42+05:30
Description: False Given, Feroz borrowed nbsp;₹ 6400 for nbsp; 3.5 years at nbsp; 15 ...

False Given, Feroz borrowed nbsp;₹ 6400 for nbsp; 3.5 years at nbsp; 15 ...

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Standard VII

Mathematics

Interest

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Question

Question 78

In questions 60 to 79, state whether the statements are True or False.

₹ 6400 were lent to Feroz and Rashmi at 15 % per annum for $3 \frac{1}{2}$ and 5 yr, respectively. The difference in the interests paid by them is ₹ 150.

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Solution

False

Given, Feroz borrowed ₹ 6400 for 3.5 years at 15 %.

$S i m p l e I n t e r e s t = \frac{P \times R \times T}{100}$

So, the interest earned
$= \frac{6400 \times 15 \times 7}{100 \times 2}$

= ₹ 3360

Rashmi borrowed ₹ 6400 for 5 yr at 15 %.

So, the interest earned
$= \frac{6400 \times 15 \times 5}{100} =$ ₹ 4800
$∴$ Difference between interests = ₹ (4800 - 3360) = ₹ 1440

Hence, the difference in interest, paid by them is ₹ 1440.

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Question 78 In questions 60 to 79, state whether the statements are True or False. ₹ 6400 were lent to Feroz and Rashmi at 15 % per annum for 312 and 5 yr, respectively. The difference in the interests paid by them is ₹ 150.

Question 78

In questions 60 to 79, state whether the statements are True or False.

₹ 6400 were lent to Feroz and Rashmi at 15 % per annum for $3 \frac{1}{2}$ and 5 yr, respectively. The difference in the interests paid by them is ₹ 150.