Selina solutions for Concise Mathematics [English] Class 6 ICSE chapter 1 - Number System (Including Estimation and Approximation) [Latest edition]

Which is greater 537 or 98?

Which is greater 2428 or 529?

Which is greater 2, 59, 467 or 10, 35, 729?

Which is smaller 428 or 4379?

Which is smaller 2497 or 2597?

Which is smaller 3297 or 3596?

Which is greater 45293 or 45427?

Which is greater 380362 or 381007?

Which is greater 63520 or 63250?

By making a suitable chart, compare 540276 and 369998

By making a suitable chart, compare 6983245 and 6893254

Compare the numbers written in the following table by writing them in ascending order:

Use table form to compare the numbers in descending order : 5,43,287; 54,82,900; 27,32,940; 43,877 ; 78,396 and 4,999

Find the smallest and the greatest numbers in the case given below:

983, 5754, 84 and 5942

Find the smallest and the greatest numbers in the case given below:

32849, 53628, 5499, and 54909.

Form the greatest and the smallest 4 digit numbers using the given digits without repetition 3, 7, 2, and 5.

Form the greatest and the smallest 4 digit numbers using the given digits without repetition 6, 1, 4 and 9.

Form the greatest and the smallest 4 digit numbers using the given digits without repetition 7, 0, 4, and 2.

Form the greatest and the smallest 4 digit numbers using the given digits without repetition 1, 8, 5, and 3.

Form the greatest and the smallest 4 digit numbers using the given digits without repetition 9, 6, 0, and 7.

Form the greatest and the smallest 3-digit numbers using any three different digits with the condition that digit 6 is always at the unit (one’s) place.

Form the greatest and the smallest 4-digit number using any four different digits with the condition that digit 5 is always at ten’s place.

Fill in the blanks:

The largest number of 5-digit is _________ and the smallest number of 6-digit is__________

Fill in the blanks:

The difference between the smallest number of four digits and the largest number of three digits = ___________ – ________ =________

Fill in the blanks:

The sum (addition) of the smallest number of three-digit and the largest number of two-digit = ________ + ________= _______

Fill in the blanks:

On adding one to the largest five-digit number, we get _________ which is the smallest __________ digit number.

Fill in the blanks:

On subtracting one from the smallest four-digit number, we get ________ which is the________ three-digit number.

Form the largest number with the digits 2, 3, 5, 9, 6 and 0 without repetition of digits.

Write the smallest and the greatest numbers of 4 digits without repetition of any digit.

Find the greatest and the smallest five-digit numbers with 8 in hundred’s place and with all the digits different.

Find the sum of the largest and the smallest four-digit numbers:

Find the difference between the smallest and the greatest six-digits numbers.

How many four-digit numbers are there between 999 and 3000?

How many four-digit numbers are there between 99 and 3000?

How many four-digit numbers are there between 500 and 3000?

Write all the possible three-digit numbers using the digits 3, 6, and 8 only; if the repetition of digits is not allowed.

Make the greatest and the smallest 4-digit numbers using the digits 5, 4, 7, and 9 (without repeating the digits) and with the condition that 7 is at the unit’s place.

Make the greatest and the smallest 4-digit numbers using the digits 5, 4, 7, and 9 (without repeating the digits) and with the condition that 9 is at ten’s place.

Make the greatest and the smallest 4-digit numbers using the digits 5, 4, 7, and 9 (without repeating the digits) and with the condition that 4 is at a hundred’s place.

Population of a city was 3, 54, 976 in the year 2014. In the year 2015, it was found to be increased by 68, 438. What was the population of the city at the end of the year 2015?

A = 7,43,000 and B = 8,00,100. Which is greater A or B ? And, by how much?

A small and thin notebook has 56 pages. How many total numbers of pages will 5326 such note-books have?

The number of sheets of paper available for making notebooks is 75,000. Each sheet makes 8 pages of a notebook. Each notebook contains 200 pages. How many notebooks can be made from the available paper?

Add: 1,76,209; 4,50,923 and 44,83,947

A cricket player has so far scored 7,849 runs in test matches. He wishes to complete 10,000 runs; how many more runs does he need?

In an election two candidates, A and B are the only contestants. If candidate A scored 9,32,567 votes, and candidates B scored 9,00,235 votes, by how much margin did A win or lose the election?

Find the difference between the largest and the smallest number that can be written using the digits 5, 1, 6,3, and 2 without repeating any digit.

A machine manufactures 5,782 screws every day. How many screws will it manufacture in the month of April?

A man had ₹ 1,57,184 with him. He placed an order for purchasing 80 articles at 125 each. How much money will remain with him after the purchase?

A student multiplied 8,035 by 87 instead of multiplying by 78. By how much was his answer greater than or less than the correct answer?

Mohani has 30 m of cloth and she wants to make some shirts for her son. If each shirt requires 2 m 30 cm cloth, how many shirts, in all, can be made, and how much length of cloth will be left?

The weight of a box is 4 kg 800 gm. What is the total weight of 150 boxes?

The distance between two places A and B is 3 km 760 m. A boy travels A to B and then B to A every day. How much distance does he travel in 8 days?

An oil-tin contains 6 liters 60 ml oil. How many identical bottles can the oil fill if the capacity of each bottle is 30 ml?

The scale receipt of a company in a certain year was ₹ 83,73,540. In the following year, it was decreased by ₹ 7,84,670.
(i) What was the sale receipt of the company during the second year?
(ii) What was the total sale receipt of the company during these two years?

A number exceeds 8, 59, 470 by 3, 00, 999. What is the number?