4106: Zero was invented by

(a) Aryabhata

(b) Varahamihira

(c) Bhaskara I

(d) an unknown Indian
4107: It takes 11 seconds for the light to reach the earth from moon and 8 minutes from the sun. How much time will it take from the nearest bright star to reach the earth?

(a) 4.5 minutes

(b) 45 minutes

(c) 45 months

(d) 4.3 light years
4108: Which one of the following hormones contains iodine ?

(a) Thyroxine

(b) Testosterone

(c) Insulin

(d) Adrenaline
4109: Consider the following statements :

The functions of commercial banks in India include

1. Purchase and sale of shares and securities on behalf of customers.

2. Acting as executors and trustees of wills.

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

(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
4110: Examine the following statements :

I. All children are inquisitive.

II. Some children are inquisitive.

III. No children are inquisitive.

IV. Some children are not inquisitive.

Among these statements, the two statements which cannot both be true simultaneously but can both be false would be

(a) I and III

(b) I and IV

(c) II and III

(d) III and IV