CBSE Class 6 Mathematics Algebra Assignment Set B

Question. Of all the children who attended a party, 40% were boys. 40% of the boys and 60% of the girls who attended the party chose ice cream for dessert. What percent of the children at the party chose ice cream?
A. 52%
B. 50%
C. 42%
D. 24%

Answer : A

Question. Mr. Kaul deposits a fixed amount of money for a 5 year period. Some details of the account (Interest compounded annually) are given below:  Principal on which interest is computed for the first year : Rs 40000 Interest earned for the first year : Rs 2000  Interest earned for the second year : Rs 2100  Interest earned for the third year : Rs 2205  The amount (Principal) on which the interest for the fourth year will be calculated is
A. Rs 2,205
B. Rs 40,000
C. Rs 46,305
D. Rs 46,615

Answer : C

Question. In December 2001, a school had 1030 students. In 2002, the strength rose by 5%. But in 2003, the strength went down by 1%. The strength of the school at the end of 2003 was
A. 1030 x 4/100 
B. 1030(1 + 4/100  )
C. 1030(1 + 5/100  )(1- 1/100  )
D. 1030 + 5/100  - 1/100 

Answer : A

Question. Priti corrects the time on her watch at 8:45 a.m. But 3 hours later, it shows the time as 12 p.m.What time would her watch show when it is actually 12 p.m.?
A. 15 seconds past 12:16 p.m.
B. 15 seconds past 12:01 p.m.
C. exactly 12:15 p.m.
D. exactly 12:30 p.m.

Answer : A

Question. See the measurements below with two sticks - one WHITE and one BLACK. What is the length of the black stick?

A. 15 cm
B. 10 cm
C. 7. 5 cm
D. 4. 5 cm

Answer : A

Question. If x + p + y = x + y + z, then which of the following MUST be true?
A. p = y
B. y = z
C. y = x
D. z = p

Answer : D

Question. 8⁷ - 8^-7 =
A. 0
B. 8¹⁴
C. 8^-49
D. none of these

Answer : D

Question. If X × 0.1 = 90, what is X ÷ 0.1?
A. 9
B. 900​​​​​​
C. 900
D. 9000

Answer : D

Question. Which of the following expressions stands for the area of the rectangle shown below (in appropriate sq. units)?

A. 6x
B. 6 + x
C. 3x + 2
D. 3(x +2)

Answer : D

Question. If we divide x3 + 3x by x, the result will be
A. 6x
B. 6 + x
C. 3x + 2
D. 3(x +2)

Answer : D

Question. 80 girls and 100 boys appeared for the class 10 board exam from Pratibha School. 25% of the girls who appeared and 10% of the boys got A grades. What percentage of the total number of students who appeared got A grades?
A. 16.70%
B. 17.50%
C. 25%
D. 35%

Answer : A

Question. (x + 1)³ is the same as
A. x³ + 1
B. (x² + 1) (x + 1)
C. (x + 1) (x + 1)²
D. x³ + 3x² + 1

Answer : A

Question. A factory works 6 days every week and produces x bulbs every day. On an average 7 bulbs are defective every day. How many good bulbs will be produced in y weeks?
A. 6xy - 42y
B. 6x - 7y
C. 42x - 6y
D. (6x - 7) y

Answer : A

Question. Which of these terms will appear in the simplest form of (2x³ + 2x² + x) (x²-2x +2)?
A. -2x³
B. x³
C. 3x³
D. 6x³

Answer : A

1. i) Write equation for the given picture 

ii) _______ No. of matchsticks are use in a pattern of letter F

iii) 5 is added to P, the expression is _____________ .

2. Match following with their expressions.

i) x is added to 8 4x-2

ii) x is multiplied by 9 x+8

iii) 4 times x and 2 is subtracted 9x

3. What will be perimeter of square have side 9 cm.

4. If Maya's present age is x years then what will be her age two years ago.

5. There are some expression given below. Which of these are equations.

i) x - 5 > 9  ii) 8+5 = 9  iii) 9x<5  iv) 2x + 1 = 15

6. Give expressions for the following :

i) k is multiplied by 10. ___________

ii) x is multiplied by 2 and 9 is subtracted ___________

iii) z is divided by 9 ___________

7. Pick out the solution of equation from values given in the bracket next to equation.

P + 5 = 9 (3, 0, 4, -4)