Question

If 5:7=40:x then find the value of x is​

Answer 1

Write 64 in Exponential form.

2. Find the value of a+2a+5a-2a+3a

3. Convert 0.567 in percentage?

4. Write the equation for 6 is taken away from the number x, the result is -5.

II. Solve the following: 4X2=8M

5. Rename 980345 in exponential form.

6. Solve 7(x-4) +13 = 6

7. Find Selling Price when C.P = RS40 and gain %= 20%?

8. Find the median for the data 45,42,38,65,71?

III. Solve the following 4X3=12M

9. Find mean for the given data.

X 13 14 15 16 17 18

F 8 2 3 4 5 7

10. Find three consecutive numbers whose sum is 78?

11. The speed of the train is 80km/hr. It is increased to 140km/hr. Find the

Percentage increase?

12. The area of the square is (4x2 – 2x -6) sq.units. A triangle inside the square has