The length of the bridge, which a train 130 metres long and travelling at 45 km/hr can cross in 30 seconds, is:
Correct answer C. 245 m
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Maths MCQs & Aptitude MCQs
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A train 125 m long passes a man, running at 5 km/hr in the same direction in which the train is going, in 10 seconds. The speed of the train is:
Correct answer B. 50 km/hr
A train running at the speed of 60 km/hr crosses a pole in 9 seconds. What is the length of the train?
Correct answer D. 150 metres
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What is the two-digit number whose first digit is a and the second digit is b?. The number is greater than 9. I. The number is multiple of 51. II. The sum of the digits a and b is 6
Correct answer B. II alone sufficient while I alone not sufficient to answer
What is the number? I. The sum of the two digits is 8. The ratio of the two digits is 1: 3. II. The product of the two digit of a number is 12. The quotient of two digits is 3.
Correct answer B. II alone sufficient while I alone not sufficient to answer
What is the sum of two consecutive even numbers, the difference of whose squares is 84?
Correct answer C. 42
The sum of two number is 25 and their difference is 13. Find their product.
Correct answer B. 114
A number consists of 3 digits whose sum is 10. The middle digit is equal to the sum of the other two and the number will be increased by 99 if its digits are reversed. The number is:
Correct answer B. 253
The product of two numbers is 120 and the sum of their squares is 289. The sum of the number is:
Correct answer B. 23
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The product of two numbers is 9375 and the quotient, when the larger one is divided by the smaller, is 15. The sum of the numbers is:
Correct answer C. 400
Find a positive number which when increased by 17 is equal to 60 times the reciprocal of the number.
Correct answer A. 3
In a two-digit, 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:
Correct answer A. 24
A number consists of two digits. If the digits interchange places and the new number is added to the original number, then the resulting number will be divisible by:
Correct answer D. 11
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:
Correct answer A. 20
The sum of the digits of a two-digit number is 15 and the difference between the digits is 3. What is the two-digit number?
Correct answer D. Cannot be determined
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A two-digit number is such that the product of the digits is 8. When 18 is added to the number, then the digits are reversed. The number is:
Correct answer B. 24
The difference between a two-digit number and the number obtained by interchanging the digits is 36. What is the difference between the sum and the difference of the digits of the number if the ratio between the digits of the number is 1: 2?
Correct answer B. 8
The difference between a two-digit number and the number obtained by interchanging the positions of its digits is 36. What is the difference between the two digits of that number?
Correct answer B. 4
Three times the first of three consecutive odd integers is 3 more than twice the third. The third integer is:
Correct answer D. 15
If one-third of one-fourth of a number is 15, then three-tenth of that number is:
Correct answer D. 54