CBSE Class 7 Mathematics Large Numbers Around Us MCQs Set 07

Question. How much taller is the Kunchikal waterfall (450 metres) than Somu’s building (40 metres)?
(a) 410 metres
(b) 490 metres
(c) 400 metres
(d) 450 metres

Answer: A

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

Answer: A

Question. For the number 6,72,85,183, what is the nearest lakh?
(a) 6,72,00,000
(b) 6,73,00,000
(c) 6,80,00,000
(d) 7,00,00,000

Answer: B

Question. If the Thoughtful Thousands calculator (+1000 button) is pressed 90 times, what number is displayed?
(a) 9,000
(b) 90,000
(c) 9,00,000
(d) 900

Answer: B

Question. If Roxie travels 100 kilometers every day for 10 years (3,65,000 km total distance), the distance between Earth and the Moon (3,84,400 km) suggests:
(a) She will reach the Moon and go beyon(d)
(b) She will fall short of the Moon.
(c) She will reach the Moon exactly.
(d) She will travel 194,000 km short.

Answer: B

Question. If the Tedious Tens calculator (+10 button) is pressed 435 times, what number is displayed?
(a) 435
(b) 4,350
(c) 43,500
(d) 435,000

Answer: B

Question. How many zeroes follow the digit 1 when writing One Lakh (1,00,000)?
(a) 4
(b) 5
(c) 6
(d) 7

Answer: B

Question. When the approximated number is less than the actual number (e.g., population 76,068 rounded to 75,000), this process is called:
(a) Rounding Down
(b) Rounding Up
(c) Exact Measurement
(d) Rounding Off

Answer: A

Question. If the cost of an item is ₹470, and the shopkeeper says the cost is around ₹450, this approximation technique is preferred because:
(a) It is an example of rounding up.
(b) It is an example of rounding down, which is often done when quoting prices.
(c) ₹470 is closer to ₹500.
(d) Exact numbers are always needed for costs.

Answer: B

Question. How many zeroes follow the digit 1 when writing One Crore (1,00,00,000)?
(a) 5
(b) 6
(c) 7
(d) 8

Answer: C

Question. Calculate the product of 72 x 125 using the suggested shortcut 125 = 1000/8.
(a) 7,200
(b) 8,000
(c) 9,000
(d) 9,250

Answer: C

Question. The adult blue whale weight fact is uncovered by calculating 10,50,00,000 ÷ 700. What is this value in kilograms?
(a) 15,000 kg
(b) 1,50,000 kg
(c) 15,00,000 kg
(d) 150 kg

Answer: B

Question. If one lakh sheets of paper weigh 5,00,000 grams, what is the weight in kilograms? (Assume 1,000 grams = 1 kg, information needed to complete the calculation derived from the sources)
(a) 50 kg
(b) 500 kg
(c) 5,000 kg
(d) 50,000 kg

Answer: B

Question. How many times should the Tedious Tens calculator (+10 button) be pressed to display One Lakh (1,00,000)?
(a) 100
(b) 1,000
(c) 10,000
(d) 1,00,000

Answer: C

Question. If 1 lakh people stood shoulder to shoulder in a line, the distance they could stretch is approximately:
(a) 10 km
(b) 38 km
(c) 100 km
(d) 1 lakh km

Answer: B

Question. The average water discharge of the Amazon river per second is calculated by 6400 x 62,500. What is this value?
(a) 4,00,000,000 litres
(b) 40,00,00,000 litres
(c) 4,00,00,000 litres
(d) 400,000,000 litres

Answer: B

Question. What is the product 1250 x 380? This number represents the kīrtanas composed by Purandaradās(a)
(a) 47,500
(b) 4,75,000
(c) 47,50,000
(d) 475,000,000

Answer: B

Question. Roxie calculated 116 x 5 by using the expression 116 x 10/2. What is the product?
(a) 550
(b) 580
(c) 1160
(d) 500

Answer: B

Question. If a person tried 2 varieties of rice every day for 100 years (36,500 days), how many varieties would they taste in total?
(a) 36,500
(b) 73,000
(c) 1,00,000
(d) 7,300

Answer: B

Question. The longest single train journey in the world runs between which two cities in Russia?
(a) Dibrugarh and Kanyakumari
(b) Mumbai and Delhi
(c) Moscow and Vladivostok
(d) Ahmedabad and Chennai

Answer: C