Viraj buys goods worth Rs 6650. He gets a rebate of 6% on it. After getting the rebate, he pays sales tax at 10%. Find the amount he will have to pay for the goods.

At what rate of si per annum, a sum triples itself in 40 years? - To determine the rate of simple interest (SI) per annum at which a sum triples itself in 40 years, we need to find the interest rate

A certain nine digit number has only ones in ones period, only twos in the thousands period and only threes in millions period. Write this number in words in the Indian system.

Write the following numbers in the Indian system of numeration: (i) Six million five hundred forty three thousand two hundred ten. (ii) Seventy six million eighty five thousand nine hundred eighty seven.

Write each of the following numbers in the International system of numeration: (i) Forty three lakh four thousand eighty four. (ii) Six crore thirty four lakh four thousand forty four.

Rewrite each of the following numerals with proper commas in the international system of numeration. Also, write the number name of each in the international system of numeration

Write each of the following numbers in digits by using international place value chart. Also, write them in expanded form (i) Seven million three hundred three thousand two hundred six.

Fill in the blank: (i) 1 lakh = Ten thousand (ii) 1 lakh = Thousand (iii) 1 lakh = Hundred (iv) 1 lakh = ten (v) 1 crore = ten lakh (vi) 1 crore = lakh (vii) 1 crore = Ten thousand (viii) 1 crore = thousand

Write all possible 3-digit numbers using the digits 6, 0, 4 when (i) repetition of digits is not allowed (ii) repetition of digits is allowed. The possible 3 digit numbers using the digits 6, 0, 4 when repetition of digits

How many different 3-digit numbers can be formed by using the digits 0, 2, 5 without repeating any digit in the number? Therefore, four 3 digit numbers can be formed by using the digits 0, 2, 5.

Which digits have the same face value and place value in 92078634? - We know that the face value depends on the value of the digit and the place value depends on its place of occurrence.

Determine the difference between the place value and the face value of 5 in 78654321 - The given number is 78654321 The place value of five = 5 × 10, 000 = 50, 000 The face value of five = 5

Determine the difference of the place values of two 7’s in 257839705. - The place value of first seven is 7 × 100 = 700 The place value of second seven is 7 × 10, 00, 000 = 70, 00, 000 So the required difference

Determine the product of the place values of two fives in 450758. Solution: The place value of first five is 5 × 10 = 50 The place value of second five is 5 × 10, 000 = 50, 000

Find the place value of the digit 4 in each of the following: (i) 74983160 (ii) 8745836 (i) The place value of digit 4 in 74983160 is 4 × 10, 00, 000 = 40, 00, 000. (ii) The place value of digit 4 in 8745836 is 4 × 10, 000 = 40, 000.

Write the corresponding numeral for each of the following: (i) 7 × 1000 + 2 × 1000 + 5 × 100 + 9 × 10 + 6 × 1 (ii) 4 × 100000 + 5 × 1000 + 1 × 100 + 7 × 1 (iii) 8 × 1000000 + 3 × 1000 + 6 × 1

Write each of the following in expanded notation: (i) 3057 (ii) 12345 (iii) 10205 (iv) 235060 Solution: (i) 3057 = 3 × 1000 + 0 × 100 + 5 × 10 + 7 × 1 (ii) 12345 = 1 × 10000 + 2 × 1000 + 3 × 100 + 4 × 10 + 5 × 1

Insert commas in the correct positions to separate periods and write the following numbers in words: - (i) 4375 (ii) 24798 (iii) 857367 (iv) 9050784 (v) 10105607 (vi) 10000007 (vii) 910107104

Write the following numbers in words in the Indian system of numeration: (i) 42,007 (ii) 4,05,045 (iii) 35, 42, 012 (iv) 7, 06, 04, 014 (v) 25, 05, 05,500 (vi) 5, 50, 50, 050 (vii) 5, 03, 04, 012

Write each of the following in numeral form: (i) Eight thousand twelve. (ii) Seventy thousand fifty-three. (iii) Five lakh seven thousand four hundred six.(iv) Six lakh two thousand nine. (v) Thirty lakh eleven thousand one.