CBSE Class 8 Mathematics We Distribute Yet Things Multiply MCQs Set 07

Question. (a - b) square and (b - a) square are.
(a) Equal
(b) Not equal
(c) One is zero
(d) One is negative

Answer: A

Question. (k + 1) (k + 2) - (k + 3) result is always.
(a) 2
(b) 1
(c) k
(d) k square + 1

Answer: D

Question. Rule of integer multiplication helps to handle.
(a) Many cases
(b) Only one case
(c) No cases
(d) Hard cases

Answer: A

Question. Khaṇḍa-guṇanam means multiplication by.
(a) Zero
(b) Parts
(c) Circles
(d) Lines

Answer: B

Question. x² – y² = _____ is
(a) (x + y)(x – y)
(b) (x – y)(x – y)
(c) x(x – y)
(d) None of the options

Answer: A

Question. To find 99 square, we use (100 - 1).
(a) Plus
(b) Square
(c) Triple
(d) Half

Answer: B

Question. Identity 1C is used by Sridharacharya for.
(a) Addition
(b) Squares of numbers
(c) Division
(d) Patterns

Answer: B

Question. (a - b) square expansion is a square plus b square minus.
(a) ab
(b) 2ab
(c) 2a
(d) 2b

Answer: B

Question. Expansion of (x + 2) (x + 5) gives x square plus 7x plus.
(a) 7
(b) 10
(c) 5
(d) 2

Answer: B

Question. In 3x3 frame, if middle is pq, number to its right is.
(a) p(q+1)
(b) pq + 1
(c) p + q
(d) q

Answer: A

Question. In a pattern of circles, if Step k has k² + 2k circles, how many circles are there in Step 15?
(a) 225
(b) 30
(c) 255
(d) 285

Answer: C

Question. If a number leaves remainder 3 when divided by 7, and another leaves 5, sum remainder is.
(a) 8
(b) 1
(c) 0
(d) 7

Answer: B

Question. Expression k (k + 1) + k simplifies to.
(a) k square + k
(b) k square + 2k
(c) 2k square
(d) k + k

Answer: B

Question. Identity 1B is for square of.
(a) Sum
(b) Difference
(c) Multiplication
(d) Division

Answer: B

Question. Bhaskaracharya wrote a famous book called.
(a) Ganita
(b) Lilavati
(c) Algebra
(d) Geometry

Answer: B

Question. What are mathematical statements that express the equality of two algebraic expressions called?
(a) Equations
(b) Formulas
(c) Identities
(d) Theorems

Answer: C

Question. (a + b) square plus (a - b) square gives 2 times (a square + _).
(a) ab
(b) b square
(c) 2ab
(d) 0

Answer: B

Question. Mathematician who used distributive law in geometric form was.
(a) Euclid
(b) Brahmagupta
(c) Arya-bhata
(d) Yusuf

Answer: A

Question. Squares of odd numbers are 1 more than multiples of.
(a) 2
(b) 4
(c) 8
(d) 10

Answer: C

Question. Identity for 397 times 403 is.
(a) 1A
(b) 1B
(c) 1C
(d) None

Answer: C