Welcome to your 06 Math

1. 
The least prime number is _______
2. 
If the diagonal of a square is 40 m then its area will be :
3. 
Find the value of a and b if 121/1331 = 3/a = b/165
4. 
There are ‘b’ boys and ‘g’ girls in a class. The ratio of the number of boys to the total number of students in the class is:
5. 
An elevator descends into a coal mine at the rate of 10 m per minute. If it starts 10 m above the ground level how long it takes to reach -100 m?
6. 
Find the value of 20 + 21 ÷ 3 × 2
7. 
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.
8. 
LCM of 70 and 140 is _______
9. 
Predecessor of a whole number is always a whole number.
10. 
The statement “When an integer is added to itself, the sum is greater than the integer” is
11. 
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.
12. 
Gautam solved the problem as shown below. Which expression could be used to check her result?
13. 
Which of the following statements is not true?
14. 
The HCF of two consecutive numbers is
15. 
What will be the area of the largest square that can be cut-out of a circle of radius 20 cm?
16. 
The sum of the prime factors of 1729 is
17. 
Which of the following numbers in Roman numerals is incorrect?
18. 
The integer ‘5 units to the right of 0 on the number line’ is
19. 
There are 20 oranges and 24 apples in a shop. The shopkeeper wants to pack them equally in boxes. What is the greatest number of boxes of fruits we can make, with the same number of orange and apple in each box?
20. 
Kareem is 27 years old and his neighbor Raj is 32 years old. What will be the ratio of their ages after 13 years?