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Number System || 14.07.2021

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Question 1

Which number is completely divisible by (x16+1)?

Question 2

The quotient when L.C.M. is divided by the H.C.F. of a G.P. with first term 'a', common ratio 'r' and total 'n' terms is:

Question 3

what is the last digit in the expansion of (2457)754 ?

Question 4

Find the unit digit of 52 x 53 x 54 x ……………x 59.

Question 5

What is the sum of first 9 terms of series 213,231,249,……?

Question 6

If a nine-digit number 675x8348y is divisible by 72, then the value of  will be:

Question 7

Which among the following numbers is exactly divisible by 7, 11 and 13?

Question 8

A boy is asked to multiply by but he divides it by and his result is 9 more than original result then what is sum of the digits of number?

Question 9

(91 + 92 + 93 + ……… +110) is equal to

Question 10

If (6/8)th of a number is 7 more than (1/6)th of the number then (5/3)rd of the number is:

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Jul 15SSC & Railway