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Mathematics quiz on Number System, LCM and HCF (21-08-2020)

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Question 1

A number ‘a’ divide 1320 and 781 exactly. Given a ≠ 1, then the number ‘a’ is not a factor of ______.

Question 2

James is inside an aero plane flying at a height of 7000 meter above the sea which is below sea level at a level. At a particular point, it is exactly above a submarine depth of 1/6^th the height of plane. What is the vertical distance between James and the submarine?

Question 3

_______ are related to growing plants.

Question 4

Two number x and y have HCF 13 and their product is 2535. Find the Number of such possible pairs

Question 5

The maximum number of children among whom 24 sweets and 16 chocolates can be distributed in such a way that each children’s gets same number of sweets and same number of chocolates, is:

Question 6

The LCM of two multiples of 14 is 1080. If one of the numbers is 135, the other number is:

Question 7

Let ‘m’ be the smallest number, which when added to 5000 makes the resulting number divisible by 24, 30, 36, 60 and 105. The sum of the digits of m is:

Question 8

(49)¹⁵ – 1 is completely divisible by which number?

i. 50

ii. 48

iii. 29

iv. 8