The average of a collection of 20 measurements was
calculated to be 56 cm. But later it was found that a
mistake had occurred in one of the measurements which was
recorded as 64 cm, but should have been 61 cm. The correct
average must be
(a) 53 cm
(b) 54.5 cm
(c) 55.85 cm
(d) 56.15 cm
- 1 Answers
- 4116 Views
- I also Faced
- E-Mail Answers
Ms. Chandrika Kumaratunga is at present the (a) President of Mauritius (b) President of Sri Lanka (c) Prime Minister of Nepal (d) Prime Minister of Sri Lanka
A moving train passes a platform 50 metres long in 14 seconds and a lamp-post in 10 seconds. The speed of the train is (a) 24 km/hr (b) 36 km/hr (c) 40 km/hr (d) 45 km/hr
Hay fever is a sign of (a) Malnutrition (b) Allergy (c) Old age (d) Over work
An imaginary line joining places with same atmospheric pressure is called (a) Isotherms (b) Isohyets (c) Isobar (d) None of the above
The ratio of the ages of two boys is 5 : 6. After two years the ratio will be 7 : 8. The ratio of their ages after 10 years will be (a) 15 : 16 (b) 17 : 18 (c) 11 : 12 (d) 22 : 24
The early Vedic Period was noted for (a) Urban development (b) Building of great temples (c) Agricultural civilization (d) Commercial activities
the vice presicent of india is elected by
Fog heavily laden with smoke is (a) Sleet (b) Glare (c) Smog (d) Dew
A mixture of 30 litres contains milk and water in the ratio 7 : 3. How much water should be added to it so that the ratio of milk and water becomes 3 : 7 ? (a) 40 litres (b) 49 litres (c) 56 litres (d) 63 litres
Chilka Lake is situated in (a) Bihar (b) Maharashtra (c) Orissa (d) West Bengal
Can anybody tell me how to prepare for the interview of SSC Scientific assistants
Which of the following groups suffers the most from high inflation ? (a) Debtors (b) Creditors (c) Business class (d) Holders of real assets
SSC History 
