Question #1 Write the numeral for the following :

a) Five million six thousand nine hundred and thirty.

b) Four crore twenty thousand forty five.

Question #2 Write 21210021 in words in both the Indian and the International number system.

Question #3 Fill in the blank:One million = _____ lakh

Question #4 Write all the 3 digit numbers using the digits 8, 0, 6 without repeating the digits.

Question #5 The population of a town is 2312648. If 1285124 of them are men, 961708 are women and the remaining are children, how many children are there?

Question #6 Find the greatest and smallest 5 digit number that can be written using each of the digits 8, 9, 0, 1 and 2 only once.By using them, do the following:

i) Find their sum.

ii) Find their difference.iii) Find their product.

Question #7 The number 5728 is same as ______.Choose the correct answer:a) 500 + 70 + 20 + 8 b) 5000 + 200 + 70 + 8 c) 5000 + 700 + 20 + 8 d) 5000 + 700 + 80 + 2

Question #8 Write in expanded form: 640,537

Question #9 Smallest six digit number that can be formed using 9, 2, 6, 0, 3, 1 is _____.Choose the correct answer:a) 012369 b) 102369 c) 106239 d) 103269

Question #10 When 5,04,347 blankets were distributed among old age homes, each old age home received 1591 blankets. How many old age homes were there?

Question #11 Round off the following numbers to the nearest hundreds and find their estimated answer:

i) 2963 + 4172

ii) 5697 2842

iii) 616 × 234

Question #12 In a college election, the winning candidate secured 3962 votes and his nearest rival secured 2104 votes. Estimate, using the general rule, the difference in votes.

Question #13 (i) Round off 32751 and 1258 to the nearest hundreds and find their difference.

(ii) Round off the difference to the nearest thousands.

Question #14 Solve: 43 - 54 + 78 ÷ 13 × 17 - 21

Question #15 Solve: 25 + 125 - [ 50 - { 7 × 75 ÷ 15 - 31} × 12 - 2 ]

Question #16 Write the Roman numeral for 125 and 346

.Question #17 Write the following in HinduArabic Numerals.(i) XXXIX(ii) CDXX

Question #18 Write the successor of the smallest natural number.

Question #19 Solve the following using distributive property :a) 79 × 98 b) 169 × 88 + 169 × 12

Question #20 Determine the sum by suitable rearrangement:1983 + 547 + 217 + 353

Question #21 Which of the following numbers can be represented as a square?4, 15, 21, 25, 30

Question #22 Find the HCF and LCM of 12, 15 and 20, by prime factorization method.

Question #23 Draw factor tree for 90.

Question #24 Find all the factors of 64.

Question #25 Fill in the blank:The missing number in the sequence 8 , 16 , 24 ,_____ ,40 , 48 is _____.

Question #26 Check whether 21 and 25 are co-prime or not.

Question #27 Write all the prime numbers between 30 and 70.

Question #28 Express 640 as the product of prime factors.