CAREER DEVELOPMENT CENTRE
COLLEGE : REG NO :_______________
DATE : ____/____/20____ TOPIC:DivisionTricks,DecimalcalculationYEAR / SEM : _____/______
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1. Find the number of factor, Prime factor, odd and even factors for
i) 396
ii) 500
iii) 13600
2. The highest power of 7 that completely divides 80! is ___
a) 12 b) 13 c) 14 d) 15
3. Find the number of zeros at the end of 380!
a) 90 b) 91 c) 94 d) 95
4. Find the number of consecutive zeros at the end of the following number 77! X 42!
a) 24 b) 9 c) 27 d) 18
5. Find the number of consecutive zeros at the end of the following number 100!+200!
a) 73 b) 24 c) 11 d) 22
6. On dividing a number by 999, the quotient is 366 and the remainder is 103.The number is:
a) 364724 b) 365737 c) 365387 d) 366757
7. A number when divided by 8 leaves a remainder 5. What is the remainder when the square of the number is
divided by 8.
a) 2 b) 3 c) 1 d) zero
8. Find the remainder when 3103 is divided by 16
a) 11 b) 9 c) 13 d) 15
103
9. Find the remainder when 2 is divided by 96
a) 16 b) 32 c) 48 d) 64
10. What is the remainder when 123 × 124 × 125 is divided by 9?
a) 2 b) 3 c) 1 d) zero
11. What is the remainder when 12345678910111213……515253 is divided by
a) 16
b) 125
c) 1000
12. Find the remainder when 10! is divided by 11.
a) 1 b) 10 c) 8 d) 9
13. Find the last non zero digit in 15!
a) 1 b) 1 c) 8 d) 9
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