GK Questions for All Competitive Examinations
Civil Services Question 1730 : Which salt is used to remove the permanent hardness of water?(A) CaOCl₂
(B) NaHCO₃
(C) NaCO₃ . 10 H₂O
(D) CaSO₄ . 2H₂O
General Knowledge Question 1769 : Which is the tallest self-supporting moss species found in New Zealand that usually grows to a height of 60 cm?
(A) Entodonseductrix
(B) Dawsonia superba
(C) Polytrichum commune
(D) Zoopsis nitida
English Language Questions 1395 : Select the correct indirect form of the given sentence.
Peter said, "He broke his glasses."
(A) Peter said that he had broken his glasses.
(B) Peter said that he is going to break his glasses.
(C) Peter said that he is breaking his glasses.
(D) Peter said that he break his glasses.
Reasoning & Maths 1719 : Which of the following numbers will replace the question mark (?) in the given series?
17, 20, 60, 64, 256, 261, 1305,?
(A) 1361
(B) 1311
(C) 1284
(D) 1346
Maths Question 1521 : A pipe can fill a tank in 15 hours. Due to leakage in the bottom it is filled in 20 hours. If the tank is full, and the pipe is closed, how much time will the leak take to empty the entire tank?
(A) 40 hrs
(B) 60 hrs
(C) 30 hrs
(D) 50 hrs
Answer
Civil Services Question 1730 : C (NaCO₃ . 10 H₂O)
General Knowledge Question 1769 : B (Dawsonia superba)
English Language Questions 1395 : A (Peter said that he had broken his glasses.)
Reasoning & Maths 1719 : B (1311)
Maths Question 1521 : B (60 hrs)
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