546: Consider the following statements:

1. The axis of the earth's magnetic field is inclined at 23 1/2 degree to the geographic axis of the earth.

2. The earth's magnetic pole in the northern hemisphere is located on a peninsula in northern Canada.

3. Earth's magnetic equator passes through Thumba in South India.

Which of the following statements given above is/are correct?

(a) 2 only
(b) 3 only
(c) 2 and 3
(d) 1, 2 and 3
547: Consider the following statements:

1. Baking soda is used in fire extinguishers.
2. Quicklime is used in the manufacture of glass.
3. Gypsum is used in the manufacture of Plaster of Paris.

Which of the statements given above is/are correct ?

(a) 1 and 2

(b) 2 and 3

(c) 1 only

(d) 1, 2 and 3
548: Consider the following statements:

A 4-wheel vehicle moving a sharp circular path at high speed will

1. Overturn about its outer wheels
2. Overturn about its inner wheels
3. Skid outwards
4. Skid inwards

Which of these statements are correct?

(a) 1 and 3
(b) 2 and 4
(c) 2 and 3
(d) 1 and 4
549: Which one of the following pairs is not correctly matched?

Current Name : Old Name

(a) Harare : Salisbury

(b) Ethiopia : Abyssinia

(c) Ghana : Dutch Guiana

(d) Kinshasa : Leopoldville

550: Regarding 'Atal Pension Yojana', which of the following statements is/are correct?

1. It is a minimum guaranteed pension scheme mainly targeted at unorganized sector workers.
2. Only one member of a family can join the scheme.
3. Same amount of pension is guaranteed for the spouse for life after subscriber's death.

Select the correct answer using the code given below.

(a) 1 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3