JNV-MATHEMATICS CLASS 9th (2019)

Questions in this test

1. Which one of the following rational number is additive identity for rational numbers?
2. Multiplicative inverse of $\frac{0}{1}$ is
3. Which one of the following will have an odd unit digit?
4. How many natural numbers lie between $52^2$ and $53^2$?
5. The unit digit in a cube of 143 is.
6. Which one of the following numbers is a perfect cube?
7. $\sqrt[3]{0.000125}=x$ then $x =?$
8. In a number pattern 27, 64, 125, y, the value of y will be
9. The standard form of 0.0000040 is
10. $\left(3/4\right)^5/\left(5/3\right)^5=?$
11. A toy is purchased at ₹1320 including 5% SGST and 5% CGST. the actual price of the toy without GST is
12. A shopkeeper sells a pen set at 20% profit to another shopkeeper who sells it at a loss of 20%. If price of pen set was ₹112, what is the net profit or loss on total transaction?
13. The difference of the compound interest and the simple interest on ₹ 50000 at 4% annually for 2 years will be
14. Which of the following vary inversely with each other?
15. A student reaches her school in 20 min with an average speed of 12 km/h. If she wants to reach her school 8 min earlier, her speed should be.
16. Which of the following is an identity?
17. The irreducible factorization of $\left(121x^2-169y^2\right)$ is
18. $\left(999\right)^2-\left(995\right)^2= ?$
19. $-3x^2y^2+x^2y^2-2x^2y^2=?$
20. The area of a rectangle is $5(y + 3)(y^2-16)$ it’s one side is $5(y^2- y - 12)$, what is its other side?
21. Twenty-one added to thrice a whole number gives 99. The number is
22. The sum of five consecutive odd numbers is 295, the smallest number is
23. The present age of the father is three years less than five times the age of his son, after 5 years the age of the father will be 3 years more than three times the age of the son. The present age of the son is
24. The unit digit in the two-digit number is two times the digit in tens place. If the digits are replaced with each other, the number becomes 18 more than the first number. What is the first number?
25. If the interior angle of a regular polygon is $108^{\circ }$. The polygon has ______ sides.
26. The angles of a quadrilateral are in the ratio 1:2:3:4. The largest angle is
27. How many non-overlapping triangles can be formed in 11 sided polygons by joining the vertices?
28. A cube whose side is 5cm will have total surface area = ....... $cm^2$
29. A regular hexagon is inscribed in a circle of radius 6cm. The perimeter of the regular hexagon is _________ cm.
30. If the radius of the cylinder is increased from 4cm to 16cm and the surface area of it kept same. If its height is 4cm, what will be its new height?
31. The volume of a cylinder which exactly fits into a cube of side 4 cm is _________ $\pi cm^3.$
32. A cube with 5y side will have _______ volume.
33. The dimensions of a godwon are 20m, 25m, and 10m. In this how many boxes of the dimension $2m\times 1.25m\times 1m$ can be kept?
34. The possibility of getting an odd number when a dice is rolled is
35. The first and the second class intervals of a grouped data are 5-10, 10-15. Its fifth class interval is