21.

Divide Rs. 700 among A, B, C so that A gets 2 times more than to B and B gets 2 times to C how much of amount they are getting?

A.

Rs. 100, Rs. 200, Rs. 400

B.

Rs. 200, Rs. 300, Rs. 200

C.

Rs. 300, Rs. 200, Rs. 200

D.

Rs. 400, Rs. 200, Rs. 100

22.

A cone, hemisphere, and cylinder have equal bases. If the heights of the cone and a cylinder are equal and are same as the common radius then find the ratio of their respective volumes

23.

Using Identities x - y = -6 ; xy = 4. Find the value of x^{3} - y^{3}

24.

Two taps can fill a tank in 30 minutes and 40 minutes. Another tap can empty it in 24 min. If the tank is empty and all the three taps are kept open, in how much time the tank will be filled

25.

The radius of a wheel is 1.75. How many revolutions will it make in travelling 11 km?

26.

Monthly expenditure of a person is shown in the figure. Find the amount has in his savings?

27.

When was the uniform pattern of education policy introduced in our country?

28.

FERA is _________ Exchange Regulation Act.

29.

The first five year plan of India was launched in

30.

Choose the correct answer :

I. Nimbus clouds are vertical clouds

II. Nimbus clouds are high clouds

III. Nimbus clouds are low clouds

IV. Nimbus clouds are cotton-like clouds