Welcome to your 05 Math

1. 
Two numbers are said to be co-primes if they have only _______ as a common factor.
2. 
Find the value of 25 – 48 ÷ 6 + 12 × 2
3. 
Which of the following is a correct roman numeral ?
4. 
Find the value of 25 + 14 ÷ ( 5 – 3 ) – 20
5. 
Raju had Rs. 1000000 with him. He purchased a colour T.V. for Rs. 15480, a motor cycle for Rs. 45080 and a flat for Rs 770000. How much money was left with him?
6. 
A mobile number consists of ten digits. First four digits are 9,9, 7 and 9. Make the smallest mobile number by using only one digit twice from 7, 2, 5, 8, 0.
7. 
There are 505 match boxes in a large box and a carton contains 124 such boxes. Find the number of match boxes in a carton.
8. 
Find the value of 10 × 10 + [ 400 + {100 – ( 50 – 3 × 10 )}]
9. 
The product of a non-zero whole number and its successor is always
10. 
What should be added to 6, 37, 93, 210 to get 8, 89, 06, 972?
11. 
Write the smallest and the largest seven digit numbers that you can form using the digits: 6, 2, 3, 7, 0, 9 and 5, without repeating the digits.
12. 
A whole number is added to 10 and the same number is subtracted from 10. The sum of the resulting numbers is
13. 
104 x 116
14. 
Find the value of 60 – 48 ÷ 8 × 4 + 8
15. 
The population of a town is 5408820. In a survey, it was reported that one out of every 15 persons is illiterate. In all how many illiterate persons are there in the town?
16. 
Along a highway, there are teak tree on one side of the highway and neem on the other side. The teak trees are separated by 10 m and the neem trees are separated by 36 m. If an teak and a neem trees are both present at the point where the highway begins, after how much distance along the highway will they both be in front of each other again?
17. 
8 Mangoes weigh 848 g. Find the average weight of one mango.
18. 
The population of a city was 2,638,373 in 2002. Rounded off to nearest thousands, the population was ___.
19. 
Divide 4259 by 8
20. 
Find 9998 times 4680.