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CBSE Notes 2011-2012 » VIII-Maths

Linear Equations in One Variable

Sum of three consecutive multiples of 6 is 666. One of these multiple is

Multiple choice question

Sum of three consecutive multiples of 6 is 666.
One of these multiple is

A motorboat goes downstream and covers a distance in 8 hours while it covers the same distance upstr...

Multiple choice question

A motorboat goes downstream and covers a
distance in 8 hours while it covers the same
distance upstream in 12 hours. If the speed of
the stream is 2 km /hr, then speed of the
motorboat in still water is

A motorboat goes downstream and covers a distance in 10 hours, while it covers the same distance ups...

Multiple choice question

A motorboat goes downstream and covers a
distance in 10 hours, while it covers the same
distance upstream in 14 hours. If the speed of
the stream is 2 km/hr, then total distance
covered by the motor boat (upstream + down
stream) is

In an examination a student scores 4 marks for every correct answer and losses 1 mark for every wron...

Multiple choice question

In an examination a student scores 4 marks
for every correct answer and losses 1 mark for every wrong answer. If he attempts 75 questions and scored 125 marks, then the number of questions he attempts correct is

If 10 is added to four times a certain number, the result is 5 less than five times the number. The ...

Multiple choice question

If 10 is added to four times a certain number,
the result is 5 less than five times the number.
The number is

Two numbers are such that the ratio between them is 4 : 7. If each is increased by 4, the ratio beco...

Multiple choice question

Two numbers are such that the ratio between
them is 4 : 7. If each is increased by 4, the
ratio becomes 3 : 5. The larger number is

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