CBSE Class 8 Mathematics The Baudhayana Pythagoras Theorem MCQs Set 09

Question. If we multiply (3, 4, 5) by 10, the new triple is
(a) (13, 14, 15)
(b) (30, 40, 50)
(c) (3, 4, 50)
(d) (0, 0, 0)

Answer: B

Question. Sum of the first 4 odd numbers (1+3+5+7) is
(a) 10
(b) 16
(c) 4
(d) 7

Answer: B

Question. Fermat's Last Theorem says x to power n plus y to power n is z to power n has no solution if n is
(a) equal to 2
(b) greater than 2
(c) less than 2
(d) equal to 1

Answer: B

Question. In the lotus problem, how much was the lotus stem peeping out of water?
(a) 3 units
(b) 1 unit
(c) 4 units
(d) 5 units

Answer: B

Question. Triple (6, 8, 10) is a scaled version of
(a) (1, 2, 3)
(b) (3, 4, 5)
(c) (5, 12, 13)
(d) (8, 15, 17)

Answer: B

Question. The Baudhāyana-Pythagoras theorem is about
(a) circles
(b) right-angled triangles
(c) dots only
(d) colors

Answer: B

Question. In the triangle used to combine squares, the new square's side will be the.
(a) base
(b) height
(c) hypotenuse
(d) perimeter

Answer: C

Question. In the lotus problem, x squared plus 3 squared equals
(a) x squared
(b) (x + 1) squared
(c) 9
(d) 25

Answer: B

Question. Fermat was a mathematician who lived in the
(a) 21st century
(b) 17th century
(c) 800 BCE
(d) 300 BCE

Answer: B

Question. In a right triangle, 5 squared plus 12 squared is equal to
(a) 169
(b) 25
(c) 144
(d) 100

Answer: A

Question. Andrew Wiles was how old when he decided to prove the theorem?.
(a) 10 years old
(b) 25 years old
(c) 50 years old
(d) 5 years old

Answer: A

Question. The triple (12, 35, 37) is called a
(a) primitive triple
(b) scaled triple
(c) wrong triple
(d) circle triple

Answer: A

Question. Why did Fermat not write his proof?
(a) He forgot it
(b) The margin was too small
(c) He had no pen
(d) It was a secret

Answer: B

Question. The final depth of the lake in the lotus problem was
(a) 3 units
(b) 4 units
(c) 5 units
(d) 1 unit

Answer: B

Question. The diagonal of the rectangular portion in Baudhāyana's construction is the.
(a) area
(b) side of the new square
(c) height of the lake
(d) total perimeter

Answer: B

Question. Fermat's equation x to power n plus y to power n is z to power n has no solution for n equal to
(a) 1
(b) 2
(c) 3
(d) zero

Answer: C

Question. In a rhombus, the diagonals are 24 and 70. The side length is
(a) 37
(b) 50
(c) 24
(d) 70

Answer: A

Question. Fermat wrote that he found a proof in the
(a) margin of a book
(b) school board
(c) lake
(d) sky

Answer: A

Question. The nth odd number is found by the formula
(a) n + 1
(b) 2n - 1
(c) n squared
(d) 2n

Answer: B

Question. Is (300, 400, 500) a Baudhāyana triple?
(a) No
(b) Yes
(c) only for squares
(d) sometimes

Answer: B