CBSE Class 8 Mathematics Algebra Play MCQs Set E

Question. Each number in a number pyramid is the sum of two numbers
(a) above it
(b) beside it
(c) below it
(d) far away

Answer: C

Question. To find the top-left number 'a' in a 2 x 2 grid sum 36, first we subtract
(a) 10
(b) 16
(c) 7
(d) 4

Answer: B

Question. Using algebra to show why mathematical tricks work is called
(a) Science play
(b) Number play
(c) Algebra play
(d) Letter play

Answer: C

Question. To find the starting number 'a' from the sum, we first subtract
(a) 7
(b) 16
(c) 4
(d) 10

Answer: B

Question. If the answer after subtraction is 1125, the month M is
(a) 1
(b) 12
(c) 11
(d) 10

Answer: C

Question. After going around the tree 3 times, Karim had
(a) many coins
(b) zero coins
(c) 8 coins
(d) 16 coins

Answer: B

Question. After multiplying month by 5, we must add
(a) 4
(b) 6
(c) 9
(d) 5

Answer: B

Question. In pyramid, if bottom row is a and b, top is
(a) a - b
(b) a * b
(c) a + b
(d) 2a

Answer: C

Question. For biggest product, the multiplier should be the
(a) smallest digit
(b) middle digit
(c) largest digit
(d) any digit

Answer: C

Question. If 4a is 24, then the first number a in the calendar is
(a) 4
(b) 6
(c) 10
(d) 8

Answer: B

Question. If we reverse the digits of 31, we get
(a) 13
(b) 31
(c) 44
(d) 3

Answer: A

Question. Calendar magic sum for a 2 x 2 grid is 4a +
(a) 10
(b) 16
(c) 7
(d) 8

Answer: B

Question. A pyramid with three rows and bottom row a, b, c, the top row is
(a) a + b + c
(b) a + 2b + c
(c) 2a + 2b + 2c
(d) a + b

Answer: B

Question. Then we multiply by 5 and finally add the
(a) year
(b) month
(c) day
(d) name

Answer: C

Question. Since each horse has 2 more legs than a hen, the number of horses is
(a) 40
(b) 20
(c) 55
(d) 10

Answer: B

Question. In a pyramid with boxes a and b in bottom, the box above is
(a) a + b
(b) a - b
(c) 2a
(d) ab

Answer: A

Question. After subtracting 16 from the sum, we divide the result by
(a) 2
(b) 7
(c) 4
(d) 1

Answer: C

Question. Total animals on the farm (horses and hens) is
(a) 150
(b) 55
(c) 200
(d) 100

Answer: B

Question. In Mukta's date trick, the first step is to multiply month M by
(a) 100
(b) 10
(c) 5
(d) 4

Answer: C

Question. After subtracting 16 from 36, we get 20, and then we divide by
(a) 2
(b) 7
(c) 4
(d) 5

Answer: C