Class 9 Free Quiz - MSO

Find the missing number, if a certain rule is followed either row-wise or column-wise

• 12

• 16

• 18

• 14

Going 90 m to the South, Gaurav turns left and goes another 35 m. Then turning to the North, goes 60 m and then turning to his right and goes 25 m. How far is he now from his starting point and in which direction?

If the medians of ∆ PQR, intersect at O, then

ar (POQ) =

• ar (QOR)

• Both of them

The given question is followed by three statements. Study the statements carefully and decide which of the following statement(s) is/ are necessary to answer the question.

What is the total surface area of cone?

(I) The area of the base of the cone is 1386 cm²

(II) The curved surface area of the cone is 2310 cm²

(III) The volume of the cone is 3696 cm³

• I and either II or III

• II and either I or III

• III and either I or II

• Any two of the three

A cube is painted red on the two adjacent faces and black on the surfaces opposite to red surfaces and orange on the remaining faces. Now the cube is divided into 216 smaller cubes of equal size. How many smaller cubes will have no surface painted? Type in your answer

Varun received Rs. 8000 as his share out of the total profit of Rs. 12000 which he and his friend Karan earned at the end of one year. If Varun invested Rs. 30000 for four months whereas Karan invested his amount for the whole year. What was the amount invested by Karan?

• Rs 4000

• Rs 5000

• Rs 6000

• Rs 7000

We should not get carried ____________ rumours

Fill in the blank with the antonym of the underlined word:

She had a flexible life even in her _________________ time table

Two bodies of masses m1 and m2 exert a force F on each other when placed a certain distance d apart. The percentage change in force when  the separation between the bodies is decreased by d/3, is _____

• 800% decrease

• 800% increase

• 125% increase

• 125% decrease

Acid rain is produced when rain mixes with gases such as sulphur dioxide.

This will eventually result in ?

• Lowering of pH and changes of temperature in ponds

• Raising of pH in ponds, encouraging growth of microorganisms

• Lowering of pH in ponds, limiting survival of aquatic organisms

• Raising of pH in ponds, limiting development of organisms