A certain sum of money consists of 30 coins, some of which are 10 paisa coins and the rest are 5 paisa coins . If the total value of the coins is TK. 2 , what is the number of 10 paisa coins?

Created: 5 years ago | Updated: 2 years ago

Bima Corporation Sadharan Bima Corporation - Asst. Manager - 18.07.2009 Analytical Question

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x = number of 10 paisa coins;

y = number of 5 paisa coins .

so,x + y = 30

and x = 30 - y

ATQ,

10x + 5y = 200

Substitute for x.

10(30 - y) + 5y = 200

or,300 - 10y + 5y = 200

or, - 5y = - 100

or,y = 20

so,x = 30 - 20 = 10

∴ the number of 10 paisa coins is 10

5 years ago

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A certain sum of money consists of 30 coins, some of which are 10 paisa coins and the rest are 5 paisa coins . If the total value of the coins is TK. 2 , what is the number of 10 paisa coins?

Analytical Question

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1. Which number comes next in the sequence? 1,2,0,3,-1,4................

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A certain sum of money consists of 30 coins, some of which are 10 paisa coins and the rest are 5 paisa coins . If the total value of the coins is TK. 2 , what is the number of 10 paisa coins?

Analytical Question

Related Question

1. Which number comes next in the sequence? 1,2,0,3,-1,4................

2. Mithu is ranked twenty- first in a class of sixty-five students. What will be his rank if the lowest candidate is assigned rank 1?

3. Four of the following five are alike in a certain way and so form a group . Which one of the following does not belong to that group?

4. Select an appropriate term that complete the seriesL, p, F, N q G, P r H, R s 1-

5. The day that will come 3 days after →tomorrow will be Saturday. What was the day two days before →yesterday?

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5. $T h e d a y t h a t w i l l c o m e 3 d a y s a f t e r \overset{t o m o r r o w}{\to} w i l l b e S a t u r d a y . W h a t w a s t h e d a y t w o d a y s b e f o r e \overset{y e s t e r d a y}{\to} ?$