Bank Exams Questions

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let x be the correct answer and y be the wrong answer
so the total number of questions is (x + y) = 150.....(1)
=> 4x - 2y = 420.....(2)
By solving (1) & (2), we get
=> 6x = 720
hence x = 120
Therefore, number of correct answers are 120.

Oligopoly is market structure where a small number of large firms are there. Oligopolistic industries are characterized by a few dominant firms and substantial entry barriers.

Radio waves have much longer wavelengths and lower frequencies than do visible light waves. In contrast, X-rays have much shorter wavelengths and higher frequencies. 

Ultraviolet Light (UV). part of the electromagnetic spectrum that consists of waves with frequencies higher than those of visible light and lower than those of x-rays.

20% of 120

20 x 120/100

= 4 x 6

= 24

Hence, 20% of 120 = 24.

Dairy products like milk, cheese and yogurt are rich source of protein as well as calcium also.