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Which of the following will result in 10...

Which of the following will result in 10,20,x and 40 being in proportion?

A

Add one to 10

B

Add one to 20

C

Add one to 19

D

Add one to 40

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The correct Answer is:
C
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PEARSON IIT JEE FOUNDATION-RATIO, PROPORTION AND VARIATION-LEVEL 1
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  2. Present ages of A and B are in the ratio 7:4, which of the following c...

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  3. Which of the following will result in 10,20,x and 40 being in proporti...

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  4. if (x+y)/(x+y+z)=(y+z)/(x+y+z)=(x+z)/(x+y+z)=p, then which of the foll...

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  5. if x=(a-b)/(a+b+c+d)=(b-c)/(a+b+c+d)=(c-d)/(a+b+c+d) =(d-a)/(a+b+c+d...

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  6. if the ratio of the ages (in years) of A and B, 5 years ago was 5:7, t...

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  7. One day, the ratio of the number of first class and second class passe...

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  8. In a bag, the number of Re. 1 coins, 50 paise coins and 25 paise coins...

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  9. Incomes of A and B are Rs 3500 and Rs 4200 respectively. The ratio of ...

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  10. if the ratio of the ages (in years) of x and y, 8 years ago is 7:6, th...

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  11. If P:Q:R=2:3:4 and P^(2)+Q^(2)+R^(2)=11600, then find (P+Q-R)

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  12. If (x)/(2),(7)/(x),(3x)/(2) and (7)/(3) are in proportion, then the va...

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  13. If (3a+4b):(3a-4b)=(3c+8d):(3c-8d), then which of the following is tru...

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  14. If (p)/(q)=(r)/(s)=(t)/(u) then (p^(2)+r^(2)+t^(2))/(q^(2)+s^(2)+u^(2)...

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  15. Which of the following ratios are in ascending order?

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  16. Given that x varies directly with the square of y. when x is 2,y is al...

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  17. Twenty men can lay a road off 50 km long in 10 days. In how many days ...

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  18. Fifteen men take 30 days to complete a piece of work, working 8 hours ...

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  19. The flow of current through a resistor varies directly with the voltag...

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  20. For 20 Student, the mess bill for 12 days is Rs 7000. In how many days...

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