Number System When 102 is reduced from a number, the number gets reduced by 88%. What is that number ? 750 850 550 650 750 850 550 650 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 850
Number System What is the sum of all the composite numbers up to 20? 132 131 130 128 132 131 130 128 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 4 + 6 + 8 + 9 + 10 + 12 + 14 + 15 + 16 + 18 = 132
Number System A certain number successively divided by 2, 5 and 7 leaves remainders 1, 2 and 3 respectively. When the same number is divided by 70, what is the remainder? 35 36 34 33 35 36 34 33 ANSWER DOWNLOAD EXAMIANS APP
Number System A gardener wants to plant trees in his garden in such a way that the number of trees in each row should be the same. If there are 4 rows or 5 rows or 6 rows, then no tree will be left. Find the least 30 60 240 120 30 60 240 120 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The least number of trees that are required = LCM(4, 5, 6) = 60.
Number System The sum of the squares of three numbers is 138, while the sum of their products taken two at a time is 131. Their sum is: 20 40 30 None of these 20 40 30 None of these ANSWER DOWNLOAD EXAMIANS APP
Number System Find the greatest four digit number which leaves respective remainders of 2 and 5 when divided by 15 and 24. None of these 9974 9125 9565 None of these 9974 9125 9565 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.
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