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Number System

Number System
65 x 288 ÷ 52 = 1.8 x ?

180
210
190
200

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

? = 65x288/52x1.8 = 200

Number System
In how many different ways can the letters of the word 'DETERMINE' be arranged ?

61480
63480
62480
60480

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

No. of arrangements = 9! / 3! Because, E comes 3 times = 60480

Number System
Find the least value of 3x + 4y if x2y3 = 6.

3
6
7
10

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

10

Number System
The difference between a two-digit number and the number obtained by interchanging the digits is 36. What is the difference of the two digits of the number ?

2
4
1
3

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

(10x + y) - (10y + x) = 36,9(x - y) = 36/9 = 4

Number System
If (17)3 is subtracted from the square of a number, the answer so obtained is 2143. What is the number ?

84
82
81
83

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

x² - (17*17*17)  = 2143or x² = 2143 + 4913 = 7056∴ x = 84

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

233
362
199
303

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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