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self Numerical Ability - LCM and HCF Math Questions and Answer

(#M40151846) SELF QUESTION LCM AND HCF Keep an EYE

The HCF of 2472 ,1284 and a tthird number N is 12.If their LCM is 2^3*3^2*5^1*103*107 the number N could be

a) 2^2*3^2*7^1 b)2^2*3^3*103
c) 2^2*3^2*5^1 d) none

Ayush Gupta (7 years ago)

Unsolved Read Solution (4)

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(#M40041229) SELF QUESTION numerical Keep an EYE

if n is positive integer and (n+1)(n+3) is odd,then (n+2)(n+4) must be a multiple of which one of the following? A) 3 B) 6 C) 8 D) 16

Raju (8 years ago)

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(#M40031290) SELF QUESTION number sys Keep an EYE

Q. N divided by 3 4 7 get remdr 2 1 4 resptly wht is remndr if N divded by 84.

pankaj chandra joshi (9 years ago)

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(#M40020438) SELF QUESTION Keep an EYE

When 242 is divided by a certain divisor the remainder obtained is 8. When 698 is divided by the same divisor the remainder obtained is 9. However, when the sum of the two numbers 242 and 698 is divided by the divisor, the remainder obtained is 4. What is the value of the divisor?

vikash singh (9 years ago)

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(#M40008428) SELF QUESTION self Keep an EYE

A, B and C start at the same time in the same direction to run around a circular stadium. A completes a round in 252 seconds, B in 308 seconds and c in 198 seconds, all starting at the same point. After what time will they again at the starting point ?

A. 26 minutes and 18 seconds
B. 42 minutes and 36 seconds
C. 45 minutes
D. 46 minutes and 12 seconds

niru (11 years ago)

Unsolved Read Solution (1)

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(#M40001403) SELF QUESTION Keep an EYE

The average weight of three men A, B and C is 84 Kg. The average weight becomes 80 Kg when D joins them. If E whose weight is 3 Kg more than D joins the group replacing A, then the average weight of B, C, D and E becomes 79 Kg. The weight of A is:
(a)65kg (b)70kg (c)75kg (d)80kg

suneil (12 years ago)

Solved Pargat Pal Singh Read Solution (4)

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