Page 95 - Ganit Kaushal

Miscellaneous Exercise 3.7

There are four options (Q. 1 to Q. 12), out of which only one is correct. Choose the correct option.

1. The number of whole numbers from 36 to 55 is
(a) 20 (b) 19 (c) 18 (d) 21
2. Which of the following is not defined?
(a) 12 × 0 (b) 12 + 0 (c) 12 – 0 (d) 12 ÷ 0
3. The value of 66 × 23 + 66 × 15 + 66 × 12 is

(a) 3300 (b) 3500 (c) 4100 (d) 3200
4. The quotient, when the smallest whole number is divided by the smallest natural number is
(a) 0 (b) 1 (c) not defined (d) none of these
5. Three consecutive whole numbers whose product is the same as their sum are

(a) 0, 1, 2 (b) 1, 2, 3 (c) 2, 3, 4 (d) 3, 4, 5
6. The difference between the face value and the place value of 8 in the number 98761 is
(a) 7992 (b) 79992 (c) 8753 (d) 98753
7. The number of five-digit numbers in all is
(a) 99999 (b) 99990 (c) 90001 (d) 90000

8. The smallest 7-digit number using the following digits 1, 3, 4, 5, 0, 7, 6 is
(a) 10,34,567 (b) 13,45,670 (c) 10,43,567 (d) 10,34,576
9. The largest 5-digit number having three different digits is (NCERT Exemplar)
(a) 98978 (b) 99897 (c) 99987 (d) 98799

10. The smallest 4-digit number having three different digits is (NCERT Exemplar)
(a) 1102 (b) 1012 (c) 1020 (d) 1002
11. The product of a non-zero whole number and its successor is always (NCERT Exemplar)
(a) an even number (b) an odd number (c) a prime number (d) divisible by 3
12. The largest 4-digit number, using any one digit twice, of 3, 8, 9, 7 is

(a) 9873 (b) 9783 (c) 9899 (d) 9987
13. Fill in the blanks.
(a) The smallest natural number is _______ .
(b) The smallest natural number divisible by 2 is _______ .

(c) 105 × 0 = _______ . (d) 7368 × 1 = _______ .
(e) 935 × 101 = _______ .
(f) A 5-digit palindrome whose tens digit is thrice of its ones, and hundreds digit is thrice of its
tens is_______.
(g) In the division algorithm, the remainder is always greater than or equal to 0 but less than
_______.
(h) There is a total of _______ calendars to cover all the years from the past and in future.
(i) The smallest five-digit palindrome is _______.

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