76) Use the following passage for the questions based on it.
Rahul and Kusum are good in Hindi and Maths. Sameer and Rahul are good in Hindi and Biology. Gita and Kusum are good in Marathi and Maths. Sameer, Gita and Mihir are good in History and Biology.
Who is good in Maths, Biology and Hindi?
A) Gita
B) Rahul
C) Sameer
D) Mihir
77) Pointing at a photograph, Ramesh said, “He is Rahul, my brother’s son’s only paternal uncle’s wife’s brother”. How is Rahul related to Ramesh?
A) Brother-in-law
B) Brother
C) Cousin
D) Son
Explanation:
Rahul is Brother in law to Ramesh
78) If the pH value of a substance is lower than 7, it would be considered as–
A) Neutral
B) Base
C) Acid
D) Ion
79) Which of the following gases in air is responsible for the discoloration of Brasss?
A) Hydrogen Sulphide
B) Carbon Dioxide
C) Nitrogen
D) Carbon Monoxide
80) A train crosses a stationary object in 10 seconds. What is the length of the train if the speed of the train is 25 m/s?
A) 300 m
B) 250 m
C) 320 m
D) 200 m