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Ria earns Rs x per day and spends Rs y p...

Ria earns Rs x per day and spends Rs y per day. Then her saving for the month of January is

A

Rs (31x - y)

B

Rs 31(x - y)

C

Rs 31(y - x)

D

none of these

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The correct Answer is:
B
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NAND LAL PUBLICATION-ALGEBRA-ADDITIONAL QUESTIONS FOR PRACTICE (Very Short Answer Type Questions)
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  2. Quotient of x and 2 added to 9 is

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  3. Ria earns Rs x per day and spends Rs y per day. Then her saving for th...

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  4. In -7x the literal factor is

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  5. If 2a^(2)b^(2)and3ab represents length and breadth of a rectangle room...

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  6. Fill in the blanks. Letters used to represent numbers are called .

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  7. Fill in the blanks. Symbol having fixed numerical value is called .

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  8. Fill in the blanks. Algebraic expression 9x has term.

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  9. Fill in the blanks. The two digit number whose tens digit is y and o...

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  10. Fill in the blanks. 5 less than thrice a number y is .

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  11. Fill in the blanks. The value of 5x-15=0 when x = .

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  12. Fill in the blanks. Trial and error is one of the methods to obtain ...

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  13. Fill in the blanks. An equation is the statement in which the symbol...

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  14. State whether True or False. Literal, like variable is a term that d...

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  15. State whether True or False. If x is a negative integer, -x is a pos...

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  16. State whether True or False. Coefficient of -y in -2x^(2)y is (-2x)^...

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  17. State whether True or False. Number of angles in a triangle is a var...

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  18. State whether True or False. An equation is satisfied by definite va...

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  19. State whether True or False. If length of rectangle is twice its bre...

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  20. State whether True or False. The equation x-1=0and3x-3=0 have same s...

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