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E:\Working\Focus_Learning\Math_Genius_5_(05-10-2023)\Open_Files\CHAP_01
\\February 16, 2024 1:27 PM Surender Prajapati Proof 5 Reader _________________________ Date: ___________________74

Chapter assessment
1. Choose the correct option.

(a) Which digit has the smallest place value in thirty-three million seven hundred

sixty-nine thousand fourteen?
(i) 3 (ii) 0 (iii) 9 (iv) 4

(b) In a car parking lot, CCCLX cars are parked. MDL more cars can be parked. The
capacity of the parking lot is ________

(i) MIXCX (ii) MMCX (iii) MCMX (iv) MCXC
(c) One of the digits of a number given below is unknown. Which among the following

cannot be the place value of the unknown digit? 5 6 7 ? 3 2 9
(i) 0 (ii) 7,000 (iii) 1,000 (iv) 500

(d) If you have three number cards of digits 1, 8 and 6, then the largest possible
8-digit number you can form where 1 is repeated thrice, 8 is repeated four times
and 6 is used only once will be

(i) 11188886 (ii) 86111888 (iii) 88886111 (iv) 88881116
2. Write the predecessor of the largest 7-digit even number formed by using the digits
4,5,8,9,1,3.

3. In the number 6,708,813 which smallest digit has the same place value and face value?
4. How many thousands are there in 1 lakh?
5. How many thousands make 10 million?

6. Simar rounds off the smallest 5-digit number having different digits to the nearest 10,
nearest 100 and nearest 1000. In which case will she COMPeteNCy BASed QUeStION
get the smallest number?
7. Some Roman numbers are given below.

CI; DCCCXIX; IM; MMMCDXCIX; VX
From the above, which Roman numbers do not make sense?
8. Radius of the Earth is 6400 km and that of Mars is 3390000 m. Whose radius is bigger
and by how much?
9. Shweta and her mother went to a toy shop to buy a teddy bear. Her mother paid
DCCX rupees for a toy. The shopkeeper gave them a discount of CXV rupees. So,
how much did the teddy bear cost to them finally? COMPeteNCy BASed QUeStION
(Answer in Roman Numerals.)

10. On the World Earth Day, an NGO took initiative of planting of saplings in large numbers.
On this day, they planted MMMDCCLXXXII saplings. Write this number in Hindu-Arabic
numerals. Also, write in words in Indian and International number systems.
Why plants are necessary for the life on the Earth? What do you think?

26 Mathematics-5