CBSE Class 7 Mathematics Large Numbers Around Us MCQs Set B

Question. Compare and write the correct symbol: 800 thousand ______ 8 million.
(a) >
(b) <
(c) =
(d) Cannot be compared

Answer: B

Question. The statement that 1,00,000 people visited the book fair is often an example of:
(a) An exact value
(b) An approximate value
(c) An incorrect value
(d) A random number

Answer: B

Question. According to the 2011 Census, the population of Chintamani town was 76,068. The difference between this exact population and the approximation of 75,000 is:
(a) 1,068
(b) 1,000
(c) 68
(d) 1,032 

Answer: A

Question. If a number is approximated to be less than the actual number (e.g., 470 rounded to 450), this process is called:
(a) Rounding Up
(b) Rounding Off
(c) Rounding Down
(d) Rounding to the nearest hundred

Answer: C

Question. The cost of an item is ₹470. A retailer stating the cost is around ₹450 is an example of what type of approximation?
(a) Rounding Up
(b) Rounding to the nearest 100
(c) Rounding Down
(d) Getting an exact number

Answer: C

Question. What is the Nearest Thousand for the number 6,72,85,183?
(a) 6,72,80,000
(b) 6,72,85,000
(c) 6,72,86,000
(d) 6,72,90,000

Answer: B

Question. What is the Nearest Ten Lakh for the number 6,72,85,183?
(a) 6,73,00,000
(b) 6,70,00,000
(c) 7,00,00,000
(d) 6,00,00,000

Answer: B

Question. The height of the Statue of Unity is approximately 180 metres. This is close to how many times the height of Somu's building (which has 10 floors, and Somu is 1 metre tall, with each floor being 4 times his height)?
(a) 2 times
(b) 3 times
(c) 4 times
(d) 5 times

Answer: C

Question. The Kunchikal waterfall drops from a height of about 450 metres. How much taller is the Kunchikal waterfall than the Statue of Unity (180 metres)?
(a) 270 metres
(b) 300 metres
(c) 180 metres
(d) 400 metres

Answer: A

Question. What is the exact value of 4,63,128 + 4,19,682?
(a) 8,82,700
(b) 8,72,810
(c) 8,82,810
(d) 8,90,000

Answer: C

Question. What is the exact value of 14,63,128 – 4,90,020?
(a) 9,73,108
(b) 9,63,108
(c) 9,73,008
(d) 9,70,000

Answer: A

Question. Roxie evaluates 116 x 5 by writing it as 116 x 10/2. What is the final product?
(a) 500
(b) 580
(c) 1160
(d) 58

Answer: B

Question. Estu evaluates 824 x 25 by rewriting it using the fraction 100/4. What is the final product?
(a) 2060
(b) 20600
(c) 20000
(d) 24000

Answer: B

Question. Using the quick multiplication technique shown in the sources, calculate 2 x 1768 x 50.
(a) 17,680
(b) 1,76,800
(c) 88,400
(d) 1,768,000

Answer: B

Question. The product of two 2-digit numbers will result in a product having how many digits?
(a) Always 3 digits
(b) Always 4 digits
(c) 3 or 4 digits
(d) 5 digits

Answer: C

Question. The product of a 3-digit number and a 3-digit number will result in a product having how many digits?
(a) 4 or 5 digits
(b) 5 or 6 digits
(c) 6 or 7 digits
(d) Always 6 digits

Answer: B

Question. Calculate 1250 x 380. This result represents the number of kīrtanas composed by Purandaradāsa according to legends.
(a) 47,500
(b) 4,75,000
(c) 475,000
(d) 47,50,000

Answer: B

Question. The approximate distance between the Earth and the Sun in kilometers is given by 2100 x 70,000. What is this distance?
(a) 14,70,000 km
(b) 1,47,00,000 km
(c) 14,70,00,000 km
(d) 14,00,00,000 km

Answer: C

Question. The average number of litres of water the Amazon river discharges into the Atlantic Ocean every second is given by 6400 x 62,500. What is this value?
(a) 4,00,00,000
(b) 40,00,000
(c) 40,00,00,000
(d) 40,000,000

Answer: C

Question. The longest single-train journey distance is found by 13,95,000 ÷ 150. What is the distance in kms?
(a) 9,300 km
(b) 930 km
(c) 93,000 km
(d) 9,30,000 km

Answer: A