CBSE Class 7 Mathematics Finding the Unknown MCQs Set I

Question. Adding same number to both sides of equation.
(a) changes equality
(b) makes it zero
(c) preserves equality
(d) makes it wrong

Answer: C

Question. Addition and subtraction are called.
(a) same operations
(b) inverse operations
(c) difficult operations
(d) small operations

Answer: B

Question. A statement of equality between two expressions is.
(a) word
(b) equation
(c) sum
(d) number

Answer: B

Question. Fixed delivery cost for snacks was.
(a) 25 rupees
(b) 50 rupees
(c) 500 rupees
(d) zero

Answer: B

Question. In equation 3n = 10 + n, value of n is.
(a) 10
(b) 5
(c) 3
(d) 2

Answer: B

Question. If 5x + 4 = 3x + 8, then x is.
(a) 4
(b) 2
(c) 8
(d) 1

Answer: B

Question. If y + 15 = 20, then y is.
(a) 35
(b) 5
(c) 15
(d) 20

Answer: B

Question. Algebra helps us to.
(a) hide numbers
(b) generalise patterns
(c) draw pictures only
(d) forget math

Answer: B

Question. In equation 4x + 6 = 10, if we write 4x = 10 + 6, it is.
(a) correct
(b) mistake
(c) very good
(d) best step

Answer: B

Question. Weighing scale having same weights on both sides is.
(a) broken
(b) balanced
(c) heavy
(d) light

Answer: B

Question. Book Brāhmasphuṭasiddhānta was written by.
(a) Aryabhata
(b) Brahmagupta
(c) Bhaskara
(d) Al-Khwarizmi

Answer: B

Question. If LHS = RHS for a value, then that value is.
(a) wrong
(b) solution
(c) question
(d) letter

Answer: B

Question. Ramesh has more marbles than Suresh. How many more?
(a) 60
(b) 30
(c) 10
(d) 20

Answer: B

Question. Total plates Madhubanti can buy with 450 rupees is.
(a) 10
(b) 18
(c) 13
(d) 25

Answer: B

Question. Sum of two odd numbers is always even. This is justified by.
(a) counting
(b) Bījagaṇita
(c) guessing
(d) reading

Answer: B

Question. In equation 11y = 66, to find y we must.
(a) add 11
(b) subtract 11
(c) divide both sides by 11
(d) multiply by 11

Answer: C

Question. If 4x + 6 = 10, then 4x = 10 + 6 is.
(a) correct
(b) a mistake
(c) very good
(d) best step

Answer: B

Question. Sum of two odd numbers is always even, we show this using.
(a) geometry
(b) bījagaṇita
(c) drawing
(d) only counting

Answer: B

Question. If y + 1 = 6, then value of y is.
(a) 7
(b) 6
(c) 5
(d) 1

Answer: C

Question. If 4k + 1 = 13, then value of k is.
(a) 13
(b) 3
(c) 4
(d) 12

Answer: B