Aptitude · all questions

Problems On Numbers
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Q81

If the numerator of a fraction is increased by

\frac{1}{4}

and the denominator is decreased byy

\frac{1}{3}

, the new fraction obtained is

\frac{33}{64}

. What was the original fraction ?

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Q82

If doubling a number and adding 20 to the result gives the same answer as multiplying the number by 8 and taking away 4 from the product, the number is :

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Q83

Out of six consecutive natural numbers if the sum of first three is 27, what is the sum of the other three ?

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Q84

The difference between a two-digit number and the number obtained by interchanging the two digits is 63. Which is the smaller of the two numbers ?

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Q85

If the numerator of a fraction is increased by 200% and the denominator is increased by 300%, the resultant fraction is

\frac{15}{26}

. What was the original fraction ?

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Q86

If 50 is subtracted from two-third of number, the result is equal to sum of 40 and one-fourth of that number. What is the number ?

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Q87

The sum of two numbers is 25 and their difference is 13. Find their product :

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Q88

The sum of seven consecutive numbers is 175. What is the difference between twice the largest number and thrice the smallest number ?

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Q89

The number obtained by interchanging the two digits of a two-digit number is lesser than the original number by 54. If the sum of the two digit of the number is 12, then what is the original number ?

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Q90

A fraction is such that if the double of the numerator and the triple pf the denominator is changed by +10 percent and -30 percent respectively, then we get 11 percent of

\frac{16}{21}

. Find the fraction :

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Q91

A student was asked to divide the half of a certain number by 6 and the other half by 4 and then to add the two quantities so obtained. Instead of doing so the student divided the number by 5 and the result fell short by 4. The given number was ?

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Q92

If the sum of numbers is 33 and their difference is 15, the smaller number is ?

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Q93

In a two-digit positive number, the digit in the unit's place is equal to the square of the digit in ten's place, and the difference between the number and the number obtained by interchanging the digits is 54. What is 40% of the original number ?

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Q94

243 has been divided into three parts such that half of the first part, one-third of the second part and one-fourth of the third part are equal. The largest part is :

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Q95

If the sum of a number and its square is 182, what is the number ?

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Q96

The sum of two numbers is 40 and their difference is 4. The ratio of the numbers is :

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Q97

The sum of three consecutive odd numbers and three consecutive even numbers together is 231. Also, the smallest odd number is 11 less than the smallest even number. What is the sum of the largest odd number and the largest even number ?

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Q98

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 :

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Q99

The sum of four numbers is 64. If you add 3 to the first number, 3 is subtracted from the second number, the third is multiplied by 3 and the fourth is divided by 3, then all the results are equal. What is the difference between the largest and the smallest of the original numbers ?

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Q100

The sum of five consecutive odd numbers is 575. What is the sum of the next set of five consecutive odd numbers ?

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