Welcome to your 06 Math Free

1. 
Which of the following is a composite number?
2. 
What least number of five digits is exactly divisible by 41?
3. 
Which of the following no. is prime?
4. 
Which of the following is the multiplicative identity for an integer “a” ?
5. 
Cost of 12 calculators is Rs. 1644. How much is the cost of 10 such calculators?
6. 
The greatest composite number between 1 and 50 is
7. 
Two tankers contain 140 liters and 290 liters of petrol respectively. Find the capacity of the largest measuring container which can measure the petrol of each tanker exactly?
8. 
How much distance, in metres, a wheel of 25 cm radius will cover, if it rotates 560 times?
9. 
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?
10. 
If the sides of a parallelogram are increased to twice its original lengths, how much will the perimeter of the new parallelogram increase?
11. 
(-9) × 17 is not equal to:
12. 
13. 
Find the value of 8 × 53 × (–125)
14. 
The LCM and HCF of two numbers are 120 and 9 respectively. If one of the numbers is 90, Other number will be:
15. 
A wire is bent to form a square of side 22 cm. If the wire is rebent to form a circle, what will be its circumference?
16. 
Price of a Scooty depreciates by ₹ 4300 for the first year and thereafter at rate of ₹ 1200 per year. If the original price of the scooty is ₹ 48000. Find the price of the Scooty after 7 years?
17. 
The floor of a room is 18 m by 12 m which is to be paved with square tiles of size 12cm x 12cm. Find the number of tiles required to pave the floor.
18. 
Find the value of 198 - 2 × 15 ÷ 3 × 6
19. 
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.
20. 
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?