## S. K. Gupta Anubhuti Gangal Class 5 Math Second Chapter Large Numbers Exercise 5

## EXERCISE 5

**(1) Write numerals in the ‘Indian system’.**

Ans: (a) 65,98,312 = Sixty five lakh ninety-eighty thousand three hundred twelve

(b) 5,13,08,264 = Five crore thirteen lakh, eight thousand, two hundred sixty four.

**(2) Write the following numbers in words:**

(a) 4,57,29,318 = Four crore, fifty seven lakh, twenty nine thousand, three hundred eighteen.

(b) 8,00,00,060 = Eighty crore sixty.

(c) 50,00,26,003 = Fifty crore twenty six thousand three.

(d) 72,80,66,550 = Seventy two crore Eighty lakh sixty six thousand five hundred fifty.

(e) 83,00,22,049 = Eighty three crore twenty two thousand forty nine.

(f) 70,06,00,080 = Seventy crore six lakh eighty.

(g) 48,99,85,361 = Forty eight crore ninety nine lakh eighty five thousand three hundred sixty one.

(h) 90,02,00,590 = Ninety crore two lakh five hundred ninety.

(i) 90,00,00,009 = Ninety crore, nine.

**(3) Write numeral for each of the following numbers:**

(a) Fifty eight lakh seven thousand nine = 58,07,009

(b) Seven crore two lakh seventy five thousand nineteen = 7,02,75,019

(c) Nineteen crore eighty four lakh seven thousand three hundred = 19,84,07,300

(d) Eighty nine crore sixty five lakh fifty nine thousand six hundred eighteen = 89,65,59,618

(e) Five crore five = 5,00,00,005

(f) Seventy seven crore seven hundred seventeen = 77,00,00,717

**(4) The sun is about 14,88,00,000 km from the earth. Write this number in words in the Indian system.**

Ans: 14,88,00,000 = Fourteen crore eighty eight lakh.

**(5) Write the period of the colored digit in each of the following:**

(a) 5 39 72 406 = Crore

(b) 75 1 3 59 286 = lakh

(c) 3 6 88 2 7 105 = thousand

(d) 3 49 6 2 579 = thousand

(e) 6 0 53 29 446 = crore

(f) 8 4 00 45 967 = crore

**(6) What is the place value of the colored digit in each of the following:**

(a) 4,83,20,196 = 4,00,00,000

(b) 59,23,71,606 = 20,00,000

(c) 8,29,60,001 = 60,000

(d) 22,98,69,307 = 300

(e) 87,00,19,512 = 80,00,00,000

(f) 10,33,54,219 = 50,000

**(7) Write in the expanded form:**

(a) 7,52,418

Ans: 700000 + 50000 + 2000 + 400 + 10 + 8

(b) 36,12,920

Ans: 3000000 + 600000 + 10000 + 2000 + 900 + 20 + 0

(c) 6,98,45,137

Ans: 60000000 + 9000000 + 800000 + 4000 + 5000 + 100 +30 +7

(d) 26,18,44,509

Ans: 200000000 + 60000000 + 1000000 + 800000 + 40000 + 4000 + 500 + 00 + 9

(e) 73,59,65,614

Ans: 700000000 + 30000000 + 5000000 + 900000 + 60000 + 5000 + 600 +10 + 4

(f) 6,98,05,714

Ans: 60000000 + 900000 + 800000 + 0 + 5000 + 700 + 10 + 4

**(8) Write the numbers whose expanded forms are**

(a) 50,00,00,000 + 8,00,00,000 + 20,00,000 + 4,00,000 + 90,000 + 7,000 + 600 + 30 + 1 = 58,24,97,631

(b) 70,00,00,000 + 2,00,00,000 + 10,00,000 + 5,00,000 + 80,000 + 3,000 + 800 + 40 + 6 = 72,15,83,846

(c) 90,00,00,000 + 50,00,000 + 4,00,000 + 90,000 + 600 + 7 = 90,54,90,607

(d) 6,00,00,000 + 40,00,000 + 8,000 + 90 + 0 = 6,40,08,090

**(9) Write the greatest 7-digit number.**

Ans: The 7-digit number is 99,99,999.

**(10) Write the smallest 8 digit number.**

Ans: The smallest 8 digit number is 1,00,00,000.

**(11) Write the smallest 8-digit number having three different digits.**

Ans: 1,00,00,002.

**(12) Write the successor of each of the following numbers:**

(a) 59,60,73,875

Ans: 59,60,73,875 + 1 = 59,60,73,876.

(b) 6,79,83,969

Ans: 6,79,83,969 + 1 = 6,79,83,970.

(c) 72,99,99,999

Ans: 72,99,99,999 + 1 = 73,00,00,000.

(d) 23,48,32,899

Ans: 23,48,32,899 + 1 = 23,48,32,900.

**(13) Write the predecessor of the following numbers:**

(a) 5,92,75,863

Ans: 5,92,75,863 – 1 = 5,92,75,862.

(b) 59,00,00,000

Ans: 59,00,00,000 – 1 = 58,99,99,999.

(c) 7,56,87,600

Ans: 7,56,87,600 – 1 = 7,56,87,599.

(d) 9,90,00,000

Ans: 9,90,00,000 – 1 = 9,89,99,999.

(f) 45,26,99,990

Ans: 45,26,99,990 – 1 = 45,26,99,989.

**(14) Counting by twos, write the numbers from 50,09,998 to 50,10,002.**

Ans:50,09,998; 50,10,000; 50,10,002.

**(15) Counting by hundreds, write the numbers from 70,09,909 to 70,10,209.**

Ans: 70,09,909; 70,10,009; 70,10,109; 70,10,209.

**(16) Counting by thousand, writes the numbers from 86,59,317 to 86,63,317.**

Ans: 86,59,317; 86,60,317; 86,61,317; 56,62,317; 86,63,317.

**(17) Find the difference of the place values of two 7s in 4,70,85,790.**

Ans: 70,00,000 – 700 = 69,99,300.

**(18) Find the product of the place values of two 4s in 56,94,741.**

Ans: 4,000 × 40 = 1,60,000.