4526: Which one of the following is the correct sequence of the given substances in the decreasing order of their densities ?
(a) Steel > Mercury > Gold
(b) Gold > Mercury > Steel
(c) Steel > Gold > Mercury
(d) Gold > Steel > Mercury
4527: Wealth tax on agricultural property is levied by:
(a) Central Government
(b) State Government
(c) Both the Central and State Governments
(d) None of the above
4528: Zero was invented by
(a) Aryabhata
(b) Varahamihira
(c) Bhaskara I
(d) an unknown Indian
4529: Consider the following pairs :
Regions sometimes mentioned in news Country
1. Catalonia - Spain
2. Crimea - Hungary
3. Mindanao - Philippines
4. Oromia - Nigeria
Which of the pairs given above are correctly matched ?
(a) 1, 2 and 3
(b)) 3 and 4 only
(c) 1 and 3 only
(d) 2 and 4 only
4530: Avinash is Ravi's eldest brother. Ravi is younger to Ajay. Ravi and Ajay are not brothers. Which of the following statements is definitely true?
(a) Ajay is younger to Avinash
(b) Avinash is younger to Ajay
(c) Ajay is younger to Ravi
(d) None of the above