CBSE Class 7 Mathematics Large Numbers Around Us MCQs Set H

Question. The approximate distance between the Earth and the Sun in kilometers is given by the product 2100 x 70,000. What is the result?
(a) 14,70,000 km
(b) 14,70,00,000 km
(c) 1,47,00,000 km
(d) 1,470,000 km

Answer: B

Question. In the Indian Place Value System, the first comma (from the right) is placed after the digits representing which place values?
(a) Hundreds
(b) Thousands
(c) Ten Thousands
(d) Lakhs

Answer: A

Question. One crore is equivalent to how many millions?
(a) 1
(b) 10
(c) 100
(d) 1,000

Answer: B

Question. What is the Nearest Thousand for the number 3,87,69,957?
(a) 3,87,69,000
(b) 3,87,70,000
(c) 3,87,69,900
(d) 3,88,00,000

Answer: B

Question. What is the Nearest Crore for the number 3,87,69,957?
(a) 3,00,00,000
(b) 3,90,00,000
(c) 4,00,00,000
(d) 3,87,00,000

Answer: C

Question. Calculate the distance of the longest single-train journey in kms: 13,95,000 ÷ 150.
(a) 930 km
(b) 9,300 km
(c) 93,000 km
(d) 9,000 km

Answer: B

Question. If 250 babies are born every minute across the world, how many babies are born in one full day (1,440 minutes)?
(a) 36,000
(b) 3,60,000
(c) 1,50,000
(d) 1,440,000

Answer: B

Question. In which number system are the digits grouped uniformly in a 3-3-3-3... pattern from the right?
(a) Indian System
(b) American (International) System
(c) Sanskrit System
(d) Decimal System

Answer: B

Question. For the number 6,72,85,183, what is the nearest ten thousand?
(a) 6,72,80,000
(b) 6,72,85,000
(c) 6,72,90,000
(d) 6,73,00,000

Answer: C

Question. Creative Chitti gets the number 321 by pressing +10 thirty-two times and +1 once. This corresponds to which mathematical expression?
(a) (3 x 100) + (2 x 10) + 1
(b) (32 x 10) + (1 x 1)
(c) (32 x 100) + 1
(d) (3 x 100) + 21

Answer: B

Question. What is the smallest possible product when multiplying two 2-digit numbers?
(a) 10
(b) 100
(c) 99
(d) 990

Answer: B

Question. Somu is 1 metre tall. If his building has 10 floors, and each floor is four times his height, what is the approximate height of the building in metres?
(a) 4 metres
(b) 10 metres
(c) 40 metres
(d) 180 metres

Answer: C

Question. How many times should the Tedious Tens calculator (+10 button) be pressed to display 3700?
(a) 37 times
(b) 370 times
(c) 3700 times
(d) 300 times

Answer: B

Question. Write the number 'Twenty-seven lakh thirty thousand' in numerals using the Indian place value system.
(a) 27,03,000
(b) 27,30,000
(c) 2,73,000
(d) 2,70,30,000

Answer: B

Question. When the approximated number is more than the actual number, this process is called:
(a) Rounding Down
(b) Rounding Up
(c) Exact Calculation
(d) Nearest Neighbor

Answer: B

Question. In the Indian system, after the initial grouping of three digits from the right, the subsequent groups are separated by commas every how many digits?
(a) 3
(b) 4
(c) 2
(d) 1

Answer: C

Question. When the approximated number is more than the actual number (e.g., ordering 750 sweets for 732 people), this process is called:
(a) Rounding Down
(b) Rounding Up
(c) Rounding Off
(d) Exact Calculation

Answer: B

Question. If the Handy Hundreds calculator (+100 button) is pressed 37 times, what number is displayed?
(a) 370
(b) 3,700
(c) 37,000
(d) 370,000

Answer: B

Question. If a person lives for 100 years, assuming 365 days per year (ignoring leap years), how many days would they live?
(a) 3,650 days
(b) 36,500 days
(c) 3,65,000 days
(d) 1,00,000 days

Answer: B

Question. If a single sheet of paper weighs 5 grams, what is the total weight of 1,00,000 (one lakh) sheets of paper in grams?
(a) 5,000 grams
(b) 50,000 grams
(c) 5,00,000 grams
(d) 10,00,000 grams

Answer: C