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Number System

Number System
(1024—263—233)÷(986—764— 156) =?

8
6
None of these
10

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

8

Number System
The digit in unit's place of a three digit number is thrice the digit in ten's place & the digit in hundred's place is two-third of the digit in ten's place. If the sum of three digits of number is 14

211
221
215
239

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let the ten's digit be x.∴ Unit's digit = 3xHundered's digit = 2x/3∴ x + 3x + 2x/3 = 14= 3x + 9x + 2x = 14 x 3= 14x = 14 x 3= x = 3∴ Number = 239

Number System
Sum of two consecutive even terms lacks by 98 from their product. Find the sum of these number

None
24
32
18

ANSWER DOWNLOAD EXAMIANS APP

Number System
486+32×25—59=?

567
596
582
528

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

528

Number System
75% of 250 - ?% of 380 = 54.5

39
33
31
35

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

250 x 75/100 - 380 x ?/100 = 54.5= 250 x 75 - 380 x ?= 54.5 x 100= 18750 - 380 x ?= 5450= 380 x? = 18750 - 5450= 13300= ? = 13300/380 = 35

Number System
17580 x 1.8 - 13720 x 2.1 = ? x 2.4

1180
1140
1120
1160

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

2.4 x ? = 31644 - 28812 = 2832∴ ? = 2832/2.4= 1180

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