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Let price of one pen = x Let price of one notebook = y Mohit bought 3 pens and 6 notebooks by paying an amount of ₹180. 3x + 6y = 180 3x = 180 – 6y x = (180 – 6y) ÷ 3 x = 60 – 2y --------- (i) Sudesh bought 5 pens and 2 notebooks by paying an amount of ₹116. 5x + 2y = 116 Putting the value of x from equation (i) 5(60 – 2y) + 2y = 116 300 – 10 y + 2y = 116 300 – 8y = 116 300 – 116 = 8y 184 = 8y y = 23 Mohit spend on buying notebooks = 6y = 6 x 23 = 138.
If ‘ OFFENSIVE’ is coded as '34', ‘GUARANTEER’ is coded as '33', then what is the code for ‘DIVISION’ in the same code language?
...What is the code for the word “biting” ?
In a certain code language, ‘SAPLING’ is coded as '14' and ‘CHEMIST’ is coded as '152'. What is the code of word ‘MANLY’ in the same coding ...
If ‘PLANET’ is coded as ‘LHEJIP’ and ‘SUPPLY’ is coded as ‘OYLLHU’, then ‘RIVER’ will be coded as ____ in the same code language.
What willbe the code for “God believe”?
In a certain code language, ‘WELCOME’ is coded as '3 5 5 12 13 15 23' and ‘REGRET’ is coded as '5 5 7 18 18 20'. How will ...
What is the possible code for “result focus” in the given code language?
In a certain code language, ‘DIRTY’ is written as 'EKUXD'. How will ‘SWITCH’ be written in that language?
If ‘WARMTH’ is coded as '62',’ MAJESTIC’ is coded as '32', then ‘HISTORICAL’ is coded as ____.
What may be the code for “to have faith”?
