General Maths II FiniteQuest

Maths II

1 / 10

The monthly salary of A, B, C is in the proportion of 2:3:5. If C’s monthly salary is 1200 more than that of A, then B’s annual salary is

14400

24000

1200

2000

2 / 10

Two whole numbers whose sum is 64, cannot be in the ratio

5:3

7:1

3:4

9:7

3 / 10

What number should be added to each one of 6, 14, 18, 38 to make it equally proportionate?

4 / 10

The complex numbers sin x + i cos 2x and cos x – i sin 2x are conjugate to each other, for

x=nπ

no value of x

x=(n+1/2)π

b. x=0

5 / 10

For three boxes X, Y, and Z, box X contains one half the number of oranges as box Y, and box Y contains one third the number of oranges as box Z. If box X has 30 oranges, how many does box Z have?

180

6 / 10

A right cylinder and a right cone have the same radius and the same volume. The ratio of the height of the cylinder to that of the cone is

2:5

1:3

3:1

5:2

7 / 10

A circle and a square have same area. Therefore, the ratio of the side of the square and the radius of the circle is

1: π

1: √π

π : 1

√π : 1

8 / 10

What number should be subtracted from each of the numbers 54, 71, 75, and 99 so that the remainder may be proportional?

9 / 10

On a journey across the city, a cab averages 30 kmph for 60% of the distance, 20kmph for 20% of it and 10kmph for the remainder. The average speed for the whole journey is

25 kmph

22.5 kmph

20 kmph

24.625 kmph

10 / 10

The average of 5 consecutive numbers is n. If the next two numbers are also included, the average of 7 numbers will

Increase by 2

Increase by 1.4

Increase by 1

Remains the same.

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