Questions

Q:

A periscope works by the principle of

A) Total internal reflection B) Refraction
C) Diffraction D) Reflection & Refraction
 
Answer & Explanation Answer: A) Total internal reflection

Explanation:

A periscope is an optical instrument that uses a system of prisms, lenses, or mirrors to reflect images through a tube.

 

 per11526634345.jpg image

 

Light from a distant object strikes the top mirror and is then reflected at an angle of 90 degrees down the periscope tube. At the bottom of the periscope, the light strikes another mirror and is then reflected into the viewer’s eye.

 

Hence, A periscope works by the principle of Total internal reflection.

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Filed Under: Physics
Exam Prep: GATE , CAT , Bank Exams , AIEEE
Job Role: Bank PO , Bank Clerk , Analyst

37 14289
Q:

Consider the following statements:

1. Inflation in India continued to be moderate during 2017-18

2. There was significant reduction in food inflation, particularly pulses and vegetables during the period.


Which of the statements given above is/are correct?

A) 1 only B) 2 only
C) Both 1 and 2 D) Neither 1 nor 2
 
Answer & Explanation Answer: C) Both 1 and 2

Explanation:

According to the Survey, inflation in the country continued to moderate during 2017-18 with the CPI based headline inflation averaging 3.3 per cent during the period --the lowest in the last six financial years

Retail inflation fell to a record low of 2.18% in May as prices of kitchen staples like vegetables and pulses declined sharply although there was a marginal spike in fruit rates.

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Filed Under: Indian Economy
Exam Prep: Bank Exams

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Q:

Who said, " I therefore, want freedom immediately, this very night, before dawn, if it can be had

A) Mahatma Gandhi B) Edwina Mounbatten
C) Jawaharlal Nehru D) Ms. Taslima Nasreen
 
Answer & Explanation Answer: A) Mahatma Gandhi

Explanation:
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Filed Under: Books and Authors

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Q:

What is the output of this C code?

        #include <stdio.h>
        void main()
        {
            int x = 97;
            char y = x;
            printf("%cn", y);
        }

A) a B) 97
C) Run time error D) None
 
Answer & Explanation Answer: A) a

Explanation:
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Filed Under: Programming

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Q:

By default, a real number is treated as a

A) Integer B) Float
C) Double D) Long double
 
Answer & Explanation Answer: B) Float

Explanation:

By default, a real number is treated as a float variable.

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Filed Under: Computer
Exam Prep: AIEEE , Bank Exams
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29 14260
Q:

813  967  429  295  648

If the positions of the second and third digits in each of the numbers are interchanged , which of the following will be the sum of the sum of the three digits of the highest number?

A) 12 B) 15
C) 16 D) 22
 
Answer & Explanation Answer: D) 22

Explanation:
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Filed Under: Verbal Reasoning - Mental Ability
Exam Prep: Bank Exams
Job Role: Bank PO

4 14259
Q:

Logical puzzle

Miss Anne has eleven kids in her class. She has a bowl containing eleven apples. Now Miss Anne want to divide the eleven apples to the kids, in such a way that a apple should remain in her bowl. How can Miss Anne do it?

Answer

Ten kids will get each one apple. The eleventh kid will get the apple with the bowl.

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Subject: Logic Puzzles

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Q:

Rihand Valley Project is located in the state of

A) Uttar Pradesh B) Bihar
C) Orissa D) Madhya Pradesh
 
Answer & Explanation Answer: A) Uttar Pradesh

Explanation:

It is a scheme across the river Rihand near Pipri in Mirzapur district of Uttar Pradesh

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Filed Under: Indian Geography

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