1586: Disguised unemployment generally means
(a) large number of people remain unemployed
(b) alternative employment is not available
(c) marginal productivity of labour is zero
(d) productivity of workers is low
1587: Albuquerque captured Goa from the ruler of:
(a) Bijapur
(b) Golkonda
(c) Ahmadnagar
(d) Vijayanagar
1588: What least number should be added to 1056, so that the sum is completely divisible by 23?
1589: Assertion (A)
Hiuen Tsang came to India during Harsha's rule
Reason (R)
His main objective was to visit the Buddhist shrines
(a) if A and R both are correct and R is the correct explanation of A
(b) if A and R both are correct but R is not the correct explanation of A
(c) if A is incorrect but R is correct
(d) if A is correct but R is incorrect
1590: What is the pH level of blood of normal person?
(a) 4.5-4.5
(b) 6.45-6.55
(c) 7.35-7.45
(d) 8.25-8.35