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When did Indus Basin Treaty was brought?
a) 1956                                                 
b) 1960
c) 1965                                                 
d) 1985

b

Explanation: Indus Waters Treaty, treaty, signed on September 19, 1960, between India and Pakistan and brokered by the World Bank. The Treaty gives control over the waters of the three "eastern rivers" the (Beas, Ravi and Sutlej) to India, while control over the waters of the three "western rivers" the (Indus, Chenab and Jhelum) to Pakistan. The Treaty was signed at Karachi by Field Marshal Mohammad Ayub Khan, the then President of Pakistan, Shri Jawaharlal Nehru, the then Indian Prime Minister and Mr. W.A.B. Illif of the World Bank on 19th September, 1960



How many times Martial Law has been imposed in Pakistan?
a) Two                                  
b) Three
c) Four                                 
d) Seven

c

Explanation:
First Martial Law: 7th October 1958 by Iskandar Mirza
2nd Martial Law: 25th March 1969 by General Yahya Khan
3rd Martial Law: 25th July 1977 by General Zia Ul Haq
4th Martial Law: 12th October 1999 by General Pervaiz Musharaf



Number digits used in base 5 number system are:
a) 10      
b) 8                        
c) 2                        
d) 5

d

Explanation:
In Base 5 Number System the number of digits are 5 : (0,1,2,3,4)



If a2 – b2 = 56, a + b = 7 then value of
a – b is ____
a) 6                        
b) 5
c) 8                        
c) 49

c

Explanation:
As we know that  a2 – b2 = (a + b)(a – b)
given that a2 – b2 = 56
OR                          (a + b)(a – b) = 56  
putting the value of  a + b = 7           we get
7(a – b) = 56 
OR  
(a – b) = 56/7                        OR                          a – b = 8



If a > 0, b > 0 and a – b < 0 then.
a) a < b                                 
b) a + b < 0
c) a > b                                 
d) b – a < 0

a

Explanation: Suppose a = 2 and b = 3 then  2 – 3 = -1   
-1 is less than zero
Therefore the correct option is option (a) a < b.