C-12-Q100mediumsingle_mcq

"After $10$ years, father's age will be twice son's age" gives —

After $10$ years each age increases by $10$ , so father's age becomes $x+10$ and son's becomes $y+10$ ; "twice" gives $x + 10 = 2 ($ .

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এই অধ্যায়ের আরও প্রশ্ন

C-12-Q101If the numerator of a fraction is and denominator is , the fraction is —
C-12-Q102"If is added to numerator and denominator each, the fraction becomes " gives the equation —
C-12-Q103If is subtracted from numerator and is added to denominator, the new fraction is —
C-12-Q104If adding to the numerator makes a fraction equal to integer , and subtracting from denominator makes it equal
C-12-Q105In Example 14, the length of the garden is —
C-12-Q106In Example 14, the breadth of the garden is —
C-12-Q107In Example 14, the area of the path around the garden is —
C-12-Q108In Example 14, the total cost of paving the path with bricks is —

y

+

10

)

x+10 = 2(y+10)

x + 10 = 2 (y + 10)