The sum of a two-digit number and the number formed by reversing its digits is 132, and its digits differ by 4. If the number is greater than its reverse, what is the number?
Correct answer B. 84
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Maths MCQs & Aptitude MCQs
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The sum of the digits of a two-digit number is 9, and the number is six times the sum of its digits. What is the number?
Correct answer B. 54
The numerator of a fraction is 3 less than its denominator. If 2 is added to both the numerator and the denominator, the fraction becomes 4/5. What is the original fraction?
Correct answer D. 10/13
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Two numbers differ by 5 and their product is 336. What is their sum?
Correct answer B. 37
Twice a number exceeds half of the same number by 45. What is the number?
Correct answer B. 30
Three positive numbers are in the ratio 2 : 3 : 5 and the sum of their squares is 1368. What is the largest number?
Correct answer C. 30
When the digits of a two-digit number are reversed, the number increases by 63. If the sum of its digits is 11, what is the number?
Correct answer C. 29
The sum of the squares of three consecutive natural numbers is 434. What is the sum of the three numbers?
Correct answer B. 36
A student was asked to divide a number by 7 but multiplied it by 7 instead, and his answer exceeded the correct one by 384. What was the number?
Correct answer C. 56
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A student was asked to find 5/8 of a number but found 5/6 of it instead, getting an answer 25 more than the correct one. What was the number?
Correct answer A. 120
A three-digit number has its digits in increasing consecutive order from left to right, and the sum of its digits is 18. What is the number?
Correct answer B. 567
The sum of a two-digit number and the number formed by reversing its digits is 99, and its digits differ by 5. If the tens digit is smaller than the units digit, what is the number?
Correct answer B. 27
The number 90 is divided into two parts such that one-fourth of one part equals one-fifth of the other. What is the larger part?
Correct answer A. 50
The sum of two numbers is 14 and their product is 48. What is the sum of their reciprocals?
Correct answer A. 7/24
A club has 12 members. In how many ways can a president, a secretary and a treasurer be chosen if no member holds two posts?
Correct answer C. 1320
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In how many ways can 5 men and 5 women sit around a round table so that men and women sit alternately?
Correct answer B. 2880
A basket has 3 identical apples, 4 identical oranges and 2 identical mangoes. In how many ways can at least one fruit be selected?
Correct answer C. 59
The sum of the digits of a two-digit number is 11. If the digits are reversed, the number increases by 27. What is the number?
Correct answer C. 47
A two-digit number is four times the sum of its digits, and its units digit is 2 more than its tens digit. What is the number?
Correct answer C. 24
The sum of three consecutive integers is 147. What is the largest of them?
Correct answer C. 50