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Number System

Number System
What is the sum of all the prime numbers from 20 to 40?

119
117
120
118

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

23 + 29 + 31 + 37 = 120

Number System
Find the nearest to 25268 which is exactly divisible by 467?

25228
25208
25218
25308

ANSWER DOWNLOAD EXAMIANS APP

Number System
Two numbers have a H.C.F of 16 and a product of two numbers is 2560. Find the L.C.M of the two numbers?

160
140
150
170

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

L.C.M of two numbers is given by(Product of the two numbers) / (H.C.F of the two numbers) = 2560/16 = 160.

Number System
Which is the largest fraction among the following ?

12/13
21/23
24/25
21/22

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

21/23 = 0.913,12/13 = 0.92323/25 = 0.92, 21/22 = 0.9545, 24/25 = 0.96

Number System
Complete the series : 81, 69, 58, 48, 39 ........

30
31
29
28

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

31

Number System
By how much is 3/5th of 875 greater than 2/3 of 333?

199
362
303
233

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

3/5th of 875 is greater than 2/3rd of 333= 3/5 * 875 - 2/3 * 333= 525 - 222 = 303.

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