Number System Find the greatest four digit number which leaves respective remainders of 2 and 5 when divided by 15 and 24. 9125 9974 9565 None of these 9125 9974 9565 None of these ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Since the difference between the divisors and the respective remainders is not constant, back substitution is the convenient method. None of the given numbers is satisfying the condition.
Number System 7432 ÷ 32 x ? = 2787 12 78 41 21 12 78 41 21 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 7432/32 x ? = 2787= ? = 2787 x 32/7432 = 12
Number System A number is doubled and 9 is added. If the resultant is trebled, it becomes 75. What is that number? 6 8 None of these 3.5 6 8 None of these 3.5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x. Then,3(2x + 9) = 752x = 16 => x = 8
Number System 65 x 288 ÷ 52 = 1.8 x ? 190 180 210 200 190 180 210 200 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 65x288/52x1.8 = 200
Number System How many numbers between 300 and 800 can be by using digits 2, 4, 5, 6 and 0 ? 48 52 36 56 48 52 36 56 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ∴ Reqd . numbers = 3 x 4P2 = 3 x 12 = 36
Number System Three seventh of a number is 12 more than 40% of that number. What will be the 60% of that number? 210 148 126 248 210 148 126 248 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3/7 x – 40/100 x = 12x = 35 * 1235 * 12 * 60/100 = 252/2 = 126
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