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Numbers Level-1 Quiz-3

April 15, 2021No Comments
Numbers Level-1 Quiz-3

Welcome to the Level – 1 Quiz – 3 of the topic Numbers on Knowvation! The pattern of the quiz will be MCQ and you will encounter many challenging problems which are going to be very helpful for the preparation of various competitive exams like, CAT, IIFT, SNAP, XAT, TISSMAT, TISSNET, CMAT, SSC CGL, etc. You’re requested to please do read the instructions given below before starting this quiz.

Here are some basic instructions:

Time Limit: 7 minutes

Number of Multiple Choice Questions: 10

Passing marks: 70%

You’ll see the answers after you SUBMIT the quiz. ‘Green’ color ticks represents a correct answer and the ‘Red’ ticks represents a wrong answer

Please do provide your valuable feedback on the quiz or report any issue/mistake in the comment box below. ALL THE BEST! 😀

1. C is a composite number with an even number of factors. Consider the following statements:

(i) C has a factor lying between 1 and sqrt(c)

(ii) C has a factor lying between sqrt(c) and C.

 
 
 
 

2. Find the sum of all the positive integers coprime to 420 and less than it.

 
 
 
 

3. Find the units digit of 19^14568.

 
 
 
 

4. Find the last two digits of (486)^486.

 
 
 
 

5. Find the last two digits of (1043)^375.

 
 
 
 

6. How many odd natural numbers up to 1400 are divisible neither by 5 nor by 7?

 
 
 
 

7. Find the last digit of 123^39 × 117^41 × 125^48 × 112^38 .

 
 
 
 

8. Deepa typed the first n natural numbers on a keyboard without any gaps. If she had to press the numbered keys 1692 times, find n.

 
 
 
 

9. Find the remainder when 87^82 is divided by 17.

 
 
 
 

10. Find the last digit of 6^6^6^6.

 
 
 
 


Last updated on April 15, 2021

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