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Number System

Number System
The sum of three consecutive even numbers is 252. What is the sum of the smallest and the largest numbers?

168
169
171
170

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

168

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

None of these
40
60
80

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

The world LEASE consists of 5 letters in which E comes twice ∴ 51/21 = 5x4x3x2x1/2x1 = 60

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

BAT
CAT
BED
CAR

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

BED

Number System
Find the smallest number which should be multiplied with 520 to make it a perfect square.

55
30
120
None of these

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Number System
68375 + 72848 - ? = 34346 + 49569

57308
58308
None of these
59308

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

? = 68375 + 72848 - 34346 - 49569 = 141223 - 83915 = 57308

Number System
Find the smallest number which when divided by 13 and 16 leaves respective remainders of 2 and 5.

219
197
187
207

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let 'N' is the smallest number which divided by 13 and 16 leaves respective remainders of 2 and 5.Required number = (LCM of 13 and 16) - (common difference of divisors and remainders) = (208) - (11) = 197.

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