no system 2 answer

 

1. Find the no. of zeros in expression: 1 × 2 × 3 × 4 .......... × 500

1. 124 (b) 125 (c) 130 (d) 135

Answer:-(a)124

2. Find the no. of zeros in expression: 2 × 4 × 6 × 8 .......... × 250

1. 25 (b) 30 (c) 28 (d) 31

Answer:-(d)31

3. Find the no. of zeros in expression: 1 × 3 × 5 × 7 .......... × 99 

1. 24 (b) 12 (c) 10 (d) 0

Answer:-(d)0

4. Find the no. of zeroes in the product of (5 × 10 × 25 × 40 × 50 × 55 × 65 × 125 × 80)

1. 13 (b) 9 (c) 4 (d) 5

Answer:-(b)9

5. Find the no. of zeros in expression: 10 × 20 × 30 × .......... × 1000

1. 124 (b) 130 (c) 249 (d) 150

Answer:-(a)124

6. Find the no. of zeros in expression: (3123 – 3122 – 3121) (2 121 – 2120 – 2119)

1. 1 (b) 2 (c) 3 (d) 0

Answer:-(a)1

7. Find the no. of zeros in expression: 11 × 22 × 33 × 44 ×.......... × 100100

1. 1200 (b) 1300 (c) 250 (d) 1050

Answer:-(b)1300

8. Find the no. of zeros in expression: 126! – 125!

1. 31 (b) 32 (c) 34 (d) 35

Answer:-(c)34

9. Find the no. of zeros in expression: 1 × 3 × 5 × 7 .......... × 99 × 2128

1. 11 (b) 12 (c) 14 (d) 15

Answer:-(a)11

10.Find the no. of zeros in expression: 1054 × 1043 × 103

120 (b) 3 (c) 100 (d) 6966

Answer:-(b)3