Welcome to your 07 Math

1. 
The reciprocal of 1/10 is
2. 
If 1 is subtracted from the LHS of an equation, the value of the RHS is __________ by 1.
3. 
The petrol consumption of a car is 15 kilometres per liter. After a service the car does 7% more kilometres per liter . What is the new consumption?
4. 
The S.P. of 10 articles is the same as C.P. of 12 articles. Find the gain or loss percent.
5. 
If p squares of each side 1mm makes a square of side 1cm, then p is equal to
6. 
Which of the following statements is not true?        

(a) When two positive integers are added, we always get a positive integer.
(b) When two negative integers are added, we always get a negative integer.
(c) When a positive integer and a negative integer are added, we always get a negative integer.
(d) Additive inverse of an integer 2 is (-2) and additive inverse of (-2) is 2.

Deselect Answer

7. 
The additive inverse of a negative number is positive.
8. 
1 hectare =________ sq m
9. 
10. 
Mohan bought a Mobile for ₹ 9000 and sold at the loss of ₹ 900.Find the selling price of the mobile.
11. 
In reference to a circle the value of π is equal to
12. 
What should be multiplied with -3/7 to obtain the nearest integer?
13. 
Find the area of a right angled triangular Garden whose base is 12 cm and hypotenuse 13 cm?
14. 
Multiplicative inverse of -3/5 is
15. 
Which sign will come in the blank space? (-6) x (-5)-2 _______________ (-6)x (-5-2)
16. 
On the number line, the value of (–3) × 3 lies on right hand side of
17. 
If a and b are positive integers, then the solution of the equation ax = b will always be a
18. 
Water level in a well was 30 m below ground level. During rainy season, rainwater collected in different water tanks was drained into the well and the water level rises 10 m above the previous level. The wall of the well is 1m 30cm high and a pulley affixed at a height of 70 cm. Ram wants to draw water from the well. The minimum length of the rope, that he can use is
19. 
A number when divided by 6 gives the quotient 6. What is the number?
20. 
On the following number line value ‘Zero’ is shown by the point