A sum of money is divided among A, B, C and D in the ratio of 3 : 4 : 9 : 10 respectively. If the share of C is Rs. 2580 more than the share of B, then what is the total amount A and D together ?

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A sum of money is divided among A, B, C and D in the ratio of 3 : 4 : 9 : 10 respectively. If the share of C is Rs. 2580 more than the share of B, then what is the total amount A and D together ?

ARs. 5676

BRs. 6192

CRs. 6708

DRs. 7224

Nithin ? Aug 11 '2022 at 21:47

Correct answer is: Rs. 6708

Explanation:

Let the shares of A, B, C and D be Rs. 3x, 4x, 9x and 10x respectively.
= 9x - 4x =2580
⇒ 5x = 2580
⇒ x = 516
∴ Required Amount = 3x + 10x = 13x
= Rs. (13 × 516)
= Rs. 6708

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The proflt earned after selling an article for Rs. 1,754 is the same as loss incurred afterselling the article for Rs. 1,492. What is thecost price of the article ?

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The proflt earned after selling an article for Rs. 1,754 is the same as loss incurred afterselling the article for Rs. 1,492. What is thecost price of the article ?

ARs. 1,623

BRs. 1,523

CRs. 1,689

DRs. 1,589

Nithin ? Jul 31 '2022 at 20:3

Correct Answer is: Rs. 1,623

Explanation:

Let the CP of the article be Rs. x
According to the question,
1754 - x = x - 1492
\(\implies\) 2x = 1754 + 1492 = 3246

\(\implies x =\frac{3246}{2}= \text{Rs. }1623\)

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18 children can do a piece of work in 12 days. How many children would be required to do the same work in 8 days ?

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18 children can do a piece of work in 12 days. How many children would be required to do the same work in 8 days ?

A12

B18

C24

D27

Akilesh Kharvi ? May 29 '2017 at 11:10

Answer is : 27

Explanation:

Days       Children      

12           18

8             x

8 : 12 = 18 : x

 8x = 12 × 18

x = \(\frac{12 \times 18}{8}\)  = 27

Note : you can use the formula :M1 D1 = M2 D2 and solved it.

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