CBSE Class 8 Mathematics The Baudhayana Pythagoras Theorem MCQs Set F

Question. The equation to generate triples using odd numbers is.
(a) (n - 1) + (2n - 1) = n
(b) (n - 1) squared + (2n - 1) = n squared
(c) n + n = n squared
(d) 1 + 2 = 3

Answer: B

Question. The book Andrew Wiles read as a boy was by.
(a) Baudhāyana
(b) Eric Bell
(c) Pythagoras
(d) Euclid

Answer: B

Question. If x is the depth of the lake, the total length of the stem is.
(a) x
(b) x + 1
(c) x - 1
(d) 3x

Answer: B

Question. To get a triple, the nth odd number (2n - 1) must be a.
(a) prime number
(b) square number
(c) negative number
(d) even number

Answer: B

Question. (6, 8, 10) is obtained by multiplying (3, 4, 5) by
(a) 3
(b) 2
(c) 4
(d) 5

Answer: B

Question. If sides are 3 cm and 4 cm, the hypotenuse will be
(a) 7 cm
(b) 5 cm
(c) 6 cm
(d) 1 cm

Answer: B

Question. If the shorter sides of a right triangle are 5 cm and 12 cm, the hypotenuse is
(a) 17 cm
(b) 13 cm
(c) 7 cm
(d) 10 cm

Answer: B

Question. The triple (9, 12, 15) is not primitive because its common factor is
(a) 1
(b) 2
(c) 3
(d) 5

Answer: C

Question. The right triangle in the lotus problem has sides 3, x and
(a) 5
(b) x + 1
(c) 4
(d) 10

Answer: B

Question. Sum of the first n odd numbers is.
(a) n
(b) 2n
(c) n squared
(d) n + 1

Answer: C

Question. The triple (3, 4, 5) is primitive because its common factor is only
(a) 2
(b) 5
(c) 1
(d) 10

Answer: C

Question. Andrew Wiles proved Fermat's Last Theorem in the year
(a) 800 BCE
(b) 1994 CE
(c) 300 BCE
(d) 500 BCE

Answer: B

Question. In the construction for combining squares, we get a right triangle with sides.
(a) a and a
(b) a and b
(c) b and b
(d) 1 and 2

Answer: B

Question. To find the diagonal of a square with side 5 cm, we use
(a) 5 + 5
(b) square root of 50
(c) 5 multiplied by 5
(d) 10

Answer: B

Question. If we divide (9, 12, 15) by 3, we get the primitive triple
(a) (1, 2, 3)
(b) (3, 4, 5)
(c) (6, 8, 10)
(d) (3, 3, 3)

Answer: B

Question. In Sulba-Sutra, Baudhayana writes about
(a) Circles
(b) Squares
(c) Numbers only
(d) Flowers

Answer: B

Question. Horizontal lines are called
(a) north-south
(b) slanted
(c) east-west
(d) big

Answer: C

Question. (6, 8, 10) is a triple which is
(a) primitive
(b) scaled
(c) wrong
(d) smallest

Answer: B

Question. Fermat was a mathematician from
(a) India
(b) France
(c) England
(d) Germany

Answer: B

Question. Solving the lotus problem, the depth x is found to be.
(a) 3 units
(b) 4 units
(c) 5 units
(d) 1 unit

Answer: B