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Number System

Number System
Complete the series : 1, 2, 3, 5, 8, 13 ....

9
4
1
7

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

1

Number System
If A = 1, B = 3, C = 5 and so on, what do the numbers 3, 9, 7 stand for

CAT
BAT
BED
CAR

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

BED

Number System
A bag contains eighteen 25-paise coins, seventeen 50-paise coins, twentytwo one-rupee coins, nine 2-rupee coins and three 5-rupee coins. What is the total amount in the bag (Ans in rupees) ?

Rs. 74
Rs. 79
Rs. 62
Rs. 68

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Total = 18/7 + 17/2 + 22 + 9 x 2 + 3 x 5         = 4.5 + 8.5 + 22 + 18 + 15         = Rs 68

Number System
Two numbers are in the ratio 3:5. If 9 be subtracted from each, they are in the ratio of 9:17. The first number is:

18
30
27
36

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

(3x-9):(5x-9) = 9:17 x = 12 => 3x = 36

Number System
When 732 is subtracted form the square of a number, the answer that is obtained is 5280. What is the number?

101
97
103
99

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

x2 - 732 = 5280 x2 = 5280 + (70+3)2 = 5280 + 4900 + 420 + 9 = 10609= 10000 + 2(100)(3) + 32 = (100 + 3)2x = 100 + 3 = 103.

Number System
(4 86%of 6500) ÷ 36 =?

777.5
977.5
877.5
677.5

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

877.5

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