A. 63

B. 511

**C. 1023**

D. 15

Explanation:

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Given that, the question paper consists of five problems. For each problem, one or two or three or none of the choices can be attempted.

Hence, the required number of ways = 45 – 1.

= 210 – 1 = 1024 – 1 = 1023

### Related Mcqs:

- In a question paper, there are four multiple choice type questions, each question has five choices with only one choice for it’s correct answer. What is the total number of ways in which a candidate will not get all the four answers correct?
A. 19

B. 120

**C. 624**

D. 1024 - A question paper had 10 questions. Each question could only be answered as true(T) of False(F). Each candidate answered all the questions, Yet no two candidates wrote the answers in an identical sequence. How many different sequences of answers are possible?
A. 20

B. 40

C. 512

**D. 1024** - In an examination a pupil’s average marks were 63 per paper. If he had obtained 20 more marks for his Geography paper and 2 more marks for his History paper, his average per paper would have been 65. How many papers were there in the examination?
A. 8

B. 9

C. 10

**D. 11** - There were two candidates in an election. Winner candidate received 62% of votes and won the election by 288 votes. Find the number of votes casted to the winning candidate?
A. 456

**B. 744**

C. 912

D. 1200 - A candidate who gets 30% of the marks fails by 50 marks. But another candidate who gets 45% marks gets 25 marks more than necessary for passing. Find the number of marks for passing?
A. 150

**B. 200**

C. 250

D. 275 - In an election between two candidates, the candidate who gets 30 % of the votes polled is defeated by 15000 votes. The number of votes polled by the winning candidate is:________?
A. 11250

B. 15000

**C. 26250**

D. 37500 - Three dice (each having six faces with each face having one number from 1 or 6) are ralled. What is the number of possible outcomes such that atleast one dice shows the number 2?
A. 36

B. 81

**C. 91**

D. 116 - A typist uses a paper 30cm x 15cm.He leaves a margin at 2.5cm at the top and the bottom and 12.5cm on either side. What percentage of paper area is approximately available for typing
A. 65%

B. 70%

C. 80%

**D. 60%** - A paper is in a square form whose one side is 20 cm. Two semi circles are drawn on its opposites as diameters. If these semi circles are cut down what is the area of the remaining paper?
**A. (400 – 100π) cm**^{2</sup}

B. (400 – 2π) cm^{2</sup C. (400 – 200π) cm2</sup D. 200π cm2</sup} - A typist uses a paper 30 cm by 15 cm. He leaves a margin of 2.5 cm at the top as well as at the bottom and 1.25 cm on either side. What percentage of paper area is approximately available for typing?
A. 65 %

**B. 70 %**

C. 80 %

D. 60%

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