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Number System

Number System
A certain number when divided by 45 leaves a remainder 31, what is the remainder if the same number be divided by 15?

1
11
13
9

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

45 + 31 = 76/15 = 1 (Remainder)

Number System
Which one of the following is the sum of the numbers 1, 3, 5, 7, 9…. up to nth number?

N2
N(N + 1)
N2 + 1
N(N + 1)/2

ANSWER DOWNLOAD EXAMIANS APP

Number System
Pick the wrong number from the given number series. 3,4,10,33,135,685,4116

10
685
135
33

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

The correct number is 136.3 x 1 + 1 = 44 x 2 + 2 = 1010 x 3 + 3 = 3333 x 4 + 4 = 136136 x 5 + 5 = 685685 x 6 + 6 = 4116

Number System
What is 50% of 40% of Rs. 3,450?

670
690
640
630

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

40% * 3450 = 1380then, 50 % * 1380 = 690

Number System
1089/? = ?/1296

1082
1348
1188
1278

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

(?)² = 1089 x 1296(?)²= (11 x 11 x 9) x (12 x 12 x 9)(?)= 11 x 12 x 9= 1188

Number System
2536+4851—?=3450+313

3624
6784
5243
4567

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

3624

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