CBSE Notes 2011-2012 - Linear Equations in One Variable
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enA boy was asked to multiply a certain number
by 25. He multiplied it by 52 and got his answer more t...
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<div class="question_type_name">Multiple choice question</div><p>A boy was asked to multiply a certain number<br />
by 25. He multiplied it by 52 and got his answer more than the correct by 324. The number to be multiplied was</p>
Linear Equations in One VariableSun, 28 Aug 2011 10:55:52 +0000mrs_bakshi3318 at http://cbsenotes.com/notesA motorboat goes downstream and covers a
distance in 10 hours, while it covers the same
distance ups...
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<div class="question_type_name">Multiple choice question</div><p>A motorboat goes downstream and covers a<br />
distance in 10 hours, while it covers the same<br />
distance upstream in 14 hours. If the speed of<br />
the stream is 2 km/hr, then total distance<br />
covered by the motor boat (upstream + down<br />
stream) is</p>
Linear Equations in One VariableSun, 28 Aug 2011 10:55:51 +0000mrs_bakshi3314 at http://cbsenotes.com/notesIn an examination a student scores 4 marks
for every correct answer and losses 1 mark for every wron...
http://cbsenotes.com/notes/in-an-examination-a-student-scores-4-marks-for-every-correct-answer-and-losses-1-mark-for-every-wron
<div class="question_type_name">Multiple choice question</div><p>In an examination a student scores 4 marks<br />
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</p>
Linear Equations in One VariableSun, 28 Aug 2011 10:55:51 +0000mrs_bakshi3315 at http://cbsenotes.com/notesA worker may claim Rs. 15 for each km which
he travels by taxi and Rs. 5 for each km which
he drives...
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<div class="question_type_name">Multiple choice question</div><p>A worker may claim Rs. 15 for each km which<br />
he travels by taxi and Rs. 5 for each km which<br />
he drives his own car. If in one week he claimed Rs. 500 for travelling 80 km, then how<br />
many km did he travel by taxi ?</p>
Linear Equations in One VariableSun, 28 Aug 2011 10:55:51 +0000mrs_bakshi3316 at http://cbsenotes.com/notesA class starts at 10 a.m. and lasts at 1 : 27 p.m.
Four periods are held during this interval. After...
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<div class="question_type_name">Multiple choice question</div><p>A class starts at 10 a.m. and lasts at 1 : 27 p.m.<br />
Four periods are held during this interval. After every period, 5 minutes are given free to the students and last period is over exactly at<br />
1 : 27 p.m. The exact duration of each period is</p>
Linear Equations in One VariableSun, 28 Aug 2011 10:55:51 +0000mrs_bakshi3317 at http://cbsenotes.com/notesA father is twice as old as his son. 20 years
ago, the age of father was 12 times the age of
his son...
http://cbsenotes.com/notes/a-father-is-twice-as-old-as-his-son-20-years-ago-the-age-of-father-was-12-times-the-age-of-his-son
<div class="question_type_name">Multiple choice question</div><p>A father is twice as old as his son. 20 years<br />
ago, the age of father was 12 times the age of<br />
his son. The present age of father (in years) is</p>
Linear Equations in One VariableSun, 28 Aug 2011 10:55:51 +0000mrs_bakshi3303 at http://cbsenotes.com/notesRachit is four times as old as his son. Four
years hence the sum of their ages will be 43 years. The...
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<div class="question_type_name">Multiple choice question</div><p>Rachit is four times as old as his son. Four<br />
years hence the sum of their ages will be 43 years. The present age of the son is</p>
Linear Equations in One VariableSun, 28 Aug 2011 10:55:51 +0000mrs_bakshi3304 at http://cbsenotes.com/notesThe ratio of Vimal's age and Arun's age is 3 : 5 and sum of their ages is 80 years. The ratio of the...
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<div class="question_type_name">Multiple choice question</div><p>The ratio of Vimal's age and Arun's age is 3 : 5 and sum of their ages is 80 years. The ratio of their ages after 10 years will be</p>
Linear Equations in One VariableSun, 28 Aug 2011 10:55:51 +0000mrs_bakshi3305 at http://cbsenotes.com/notesIn a two digit number, the sum of the digits is
15. If 9 is added to the number, the digits are
inte...
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<div class="question_type_name">Multiple choice question</div><p>In a two digit number, the sum of the digits is<br />
15. If 9 is added to the number, the digits are<br />
interchanged. The number is</p>
Linear Equations in One VariableSun, 28 Aug 2011 10:55:51 +0000mrs_bakshi3306 at http://cbsenotes.com/notesThe sum of three numbers is 264. If the first
number be twice the second and third number
be one thi...
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<div class="question_type_name">Multiple choice question</div><p>The sum of three numbers is 264. If the first<br />
number be twice the second and third number<br />
be one third of the first, then the second<br />
number is</p>
Linear Equations in One VariableSun, 28 Aug 2011 10:55:51 +0000mrs_bakshi3307 at http://cbsenotes.com/notes