6th Maths | Exercise 1.6 Full | Term 1 | Numbers | Miscellaneous & Challenging Problems AlexMaths

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1. Try to open my locked suitcase which has the biggest 5 digit odd number as the password comprising the digits 7, 5, 4, 3 and 8. Find the password.
2. As per the census of 2001, the population of four states are given below. Arrange the states in ascending and descending order of their population.
● Tamil Nadu 72147030
● Rajasthan 68548437
● Madhya Pradesh 72626809
● West Bengal 91276115
(i) How many tigers were there in 2011?
(ii) How many tigers were less in 2008 than in 1990?
(iii) Did the number of tigers increase or decrease between 2011 and 2014? If yes, by how much?
4. Mullaikodi has 25 bags of apples. In each bag there are 9 apples. She shares them equally amongst her 6 friends. How many apples do each get? Are there any apples left over?
5. A poultry has produced 15472 eggs and fits 30 eggs in a tray. How many trays do they need?
(i) Write the Canopus star’s diameter in words, in the Indian and the International System.
(ii) Write the sum of the place values of 5 in Sirius star’s diameter in the Indian System.
(iii) Eight hundred sixty four million seven hundred thirty. Write this in standard form of Indian System.
(iv) Write the diameter in words of Arcturus star in the International System.
(v) Write the difference of the diameters of Canopus and Arcturus stars in the Indian and the International Systems.
7. Anbu asks Anjali to guess a five digit odd number. He gives the following hints.
●●
The digit in the 1000s place is less than 5
●●
The digit in the 100s place is greater than 6
●●
The digit in the 10s place is 8
What is Anjali’s answer? Does she give more than one answer?
8. A Music concert is taking place in a stadium. A total of 7,689 chairs are to be put in rows of 90. (i) How many rows will there be? (ii) Will there be any chairs left over?
9. Round off the seven digit number 29,75,842 to the nearest lakhs and ten lakhs. Are10. Find the 5 or 6 or 7 digit numbers from a newspaper or a magazine to get
a rounded number to the nearest ten thousand.