CBSE Class 6th, 7th, 8th, 9th, & 10th  Help Guide  Solved Exercises  MCQs  Questions & Answers  Sample Papers
Thursday 29 March 2012
CBSE Class 6th ( VI) Mathematics Chapter 7. Fractions: Exercise 7.2 Solutions
 Proper Fraction :
 A proper fraction is a number representing part of a whole.
 In a proper fraction the denominator shows the number of parts into which the whole is divided and the numerator shows the
number of parts we have taken out.  In a proper fraction the numeratoris always less than the denominator.
CBSE Class 6th ( VI) Mathematics Chapter 7. Fractions: Exercise 7.1 Solutions
Remember....
 A fraction means a part of a group or of a region.
5
is a fraction. We read it as "fivetwelfths". 12  Here "12" stand for the number of equal parts into which the whole has been divided.
 And "5" stand for the number of equal parts which have been taken out.
 Here 5 is called the numerator and 12 is called the denominator.
Wednesday 21 March 2012
CBSE Class 6th ( VI) Mathematics Chapter 3. Playing with Numbers: Exercise 3.6
Remember...
 The Highest Common Factor (HCF) of two or more given numbers is the highest (or
greatest) of their common factors. It is also known as Greatest Common Divisor (GCD).
(a) 18, 48 (b) 30, 42 (c) 18, 60 (d) 27, 63
(e) 36, 84 (f) 34, 102 (g) 70, 105, 175
(h) 91, 112, 49 (i) 18, 54, 81 (j) 12, 45, 75
Wednesday 14 March 2012
CBSE Class 6th ( VI) Mathematics Chapter 3. Playing with Numbers: Exercise 3.5
Remember...
 if a number is divisible by another number then it is divisible by each of the factors of that number.
 If a number is divisible by two coprime numbers then it is divisible by their product also.
 If two given numbers are divisible by a number, then their sum is also divisible by that number.
 If two given numbers are divisible by a number, then their difference is also divisible by that number.
Tuesday 13 March 2012
CBSE Class 6th ( VI) Mathematics Chapter 3. Playing with Numbers :Exercise 3.4
1. Find the common factors of :
(a) 20 and 28 (b) 15 and 25 (c) 35 and 50 (d) 56 and 120
Answer:
(a) 20 and 28  
Factors of 20 are:  1, 2, 4, 5, 10, 20 
Factors of 28 are:  1, 2, 4, 7, 14, 28 
Common factors of 20 and 28 are 1, 2, 4 
Saturday 10 March 2012
CBSE Class 6th ( VI) Mathematics Chapter 3. Playing with Numbers :Exercise 3.3
1. Using divisibility tests, determine which of the following numbers are divisible by 2;
by 3; by 4; by 5; by 6; by 8; by 9; by 10 ; by 11 (say, yes or no):
by 3; by 4; by 5; by 6; by 8; by 9; by 10 ; by 11 (say, yes or no):
Number  Divisible by  
2  3  4  5  6  8  9  10  11  
128  Yes  No  Yes  No  No  Yes  No  No  No 
990  ....  ....  ....  ....  ....  ....  ....  ....  .... 
1586  ....  ....  ....  ....  ....  ....  ....  ....  .... 
275  ....  ....  ....  ....  ....  ....  ....  ....  .... 
6686  ....  ....  ....  ....  ....  ....  ....  ....  .... 
639210  ....  ....  ....  ....  ....  ....  ....  ....  .... 
429714  ....  ....  ....  ....  ....  ....  ....  ....  .... 
2856  ....  ....  ....  ....  ....  ....  ....  ....  .... 
3060  ....  ....  ....  ....  ....  ....  ....  ....  .... 
406839  ....  ....  ....  ....  ....  ....  ....  ....  .... 
Friday 9 March 2012
CBSE Class 6th ( VI) Mathematics Chapter 3. Playing with Numbers :Exercise 3.2
1. What is the sum of any two (a) Odd numbers? (b) Even numbers?
Answer:
(a) The sum of any two Odd numbers is an Even number. i.e. 1+3=4, 3+5=8, 5+7=12
(a) The sum of any two even numbers is an Even number. i.e. 2+4=6, 4+6=10, 12+8=20
2. State whether the following statements are True or False:
Answer:
(a) The sum of any two Odd numbers is an Even number. i.e. 1+3=4, 3+5=8, 5+7=12
(a) The sum of any two even numbers is an Even number. i.e. 2+4=6, 4+6=10, 12+8=20
2. State whether the following statements are True or False:
Wednesday 7 March 2012
CBSE Class 6th ( VI) Mathematics Chapter 3. Playing with Numbers :Exercise 3.1
1. Write all the factors of the following numbers :
Answer:
(a) 24  (b) 15  (c) 21 
(d) 27  (e) 12  (f) 20 
(g) 18  (h) 23  (i) 36 
(a) 24 

Monday 5 March 2012
CBSE Class VI ( 6th) Mathematics Chapter 2. Whole Numbers : Exercise 2.3
Question 1. Which of the following will not represent zero:
Answer:
(a)  a + 0 
(b)  0 × 0 
(c)  0 
2 
(d)  10×10 
2 
Answer:
(a)  a + 0  and  (d)  10×10 
2 
Sunday 4 March 2012
CBSE Class 7th (VII) English  Chapter 9. A Bicycle in Good RepairSolved Exercises
Intext Questions (Comprehension Check (Page 128))
 Question . "I got up early, for me" It implies that
 he was an early riser
 he was a later riser.
 he got up late that morning.
Mark the correct answer
CBSE Class 6th ( VI) Mathematics Chapter 2. Whole Numbers : Exercise 2.2
Question 1. Find the sum by suitable rearrangement:
(a) 837 + 208 + 363 (b) 1962 + 453 + 1538 + 647
Answer:
(a) 837+208+363
= (837+363)+208
= 1200+208
= 1408
(a) 837 + 208 + 363 (b) 1962 + 453 + 1538 + 647
Answer:
(a) 837+208+363
= (837+363)+208
= 1200+208
= 1408
Saturday 3 March 2012
CBSE Class 7th (VII) English  Chapter 8. Fire: Friend and FoeSolved Exercises
Intext Questions (Comprehension Check (Page 118))
Question 1.Mark the correct answer in each of the following. Early man was frightened of
 lightning and volcanoes.
 the damage caused by them.
 fire.
Friday 2 March 2012
CBSE Class 7th (VII) English  Chapter 7. The Invention of VitaWonk  Solved Exercises
Word Meaning  
Word  Meaning in English  Meaning in Hindi 
Whiskers  moustache  मूंछ 
Grimalkin  old cat  वृद्ध बिल्ली 
Cattaloo  a crossbreed between a cow and a buffalo.  एक गाय और भैंस के बीच एक संकर प्रजाति 
Knuckle bone  bone of knuckles  अंगुली की हड्डी 
Stinging slug  bad smelling mollusc  चुभने काउंटर 
Venomous  poisonous  विषैला 
Shriveling  wrinkle  झुर्री 
CBSE Class 7th (VII) English  Chapter 6. Expert Detectives  Solved Exercises
Word Meaning  
Word  Meaning in English  Meaning in Hindi 
Monster  Horrible figure  राक्षस, विकराल दैत्य 
Stash  place of hiding  छिपाने की जगह 
Starve  without food  भूखा 
Scars  marks of cut or injury or burn  निशान 
Annoyed  angry  नाराज, अप्रसन्न 
Stubborn  one who doesn't listen or obey anyone  जिद्दी 
Accomplice  to assist or one who assist in doing a crime  सहकारी, सह  अपराधी 
CBSE Class 7th (VII) English  Chapter 5. Quality  Solved Exercises
Textbook Questions (Working with the Text)
Answer the following questions.Question 1. What was the author's opinion about Mr. Gessler as a bootmaker?
Answer: According to the author, Mr. Gessler was the best shoemaker in the city. He was a perfect artist who had the same skill, pride and respect fo his trade as any other artist had.
Question 2. Why did the author visit the shop so infrequently?
Answer: The shoe made by Mr. Gessler used to last terribly longer than the usual, therefore, he visited the shop so infrequently.
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