Number System Find the greatest number which leaves the same remainder when it divides 25, 57 and 105. 12 16 8 18 12 16 8 18 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 105 - 57 = 4857 - 25 = 32105 - 25 = 80The H.C.F of 32, 48 and 80 is 16.
Number System 75% of 250 - ?% of 380 = 54.5 31 33 39 35 31 33 39 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 If A = 1, B = 3, C = 5 and so on, what do the numbers 3, 9, 7 stand for CAT BAT BED CAR CAT BAT BED CAR ANSWER EXPLANATION DOWNLOAD EXAMIANS APP BED
Number System How many numbers up to 200 are divisible by 2 and 3 both? 29 33 35 27 29 33 35 27 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 200/6 = 33 2/6 => 33 Numbers
Number System In a division sum, the divisor is 10 times the quotient and 5 times the remainder. If the remainder is 46, the dividend is: 2568 5336 6890 9865 2568 5336 6890 9865 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 5336
Number System In a two-digit number, if it is known that its unit's digit exceeds its ten's digit by 2 and that the product of the given number and the sum of its digits is equal to 144, then the number is: 24 42 46 26 24 42 46 26 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the ten's digit be x. Then, unit's digit = x + 2. Number = 10x + (x + 2) = 11x + 2 Sum of digits = x + (x + 2) = 2x + 2 (11x + 2)(2x + 2) = 144 2x2 + 26x - 140 = 0 (x - 2)(11x + 35) = 0 x = 2Hence, required number = 11x + 2 = 24.
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