# Quantitative Aptitude :: Problems Based on Number Problems And Answers

Problems Based on Number Formulaes

 Quantitative Aptitude Reasoning Programming Verbal Ability

Directions (Q. Nos. 21 to 25) In each of the following questions, a question followed by two statements numbered I and II are given. You have to read both the statements and then
(1) If the data given in statement A alone are sufficient to answer the question whereas the data given in statement B alone are not sufficient to answer the question
(2) If the data given in statement B alone are sufficient to answer the question whereas the data given in statement A alone are not sufficient to answer the question
(3) If the data in either statement A alone or in statement B alone are sufficient B alone are sufficient to answer the question
(4) If the data in both the statements A and B are not sufficient to answer the question.
(5) If the data given by both the statement A and B are necessary to answer the question.

21. What is the two-digit number?
A. The difference between the two-digit number and the number formed by interchanging the digits is 18.
B. The difference between the two digits is 2.

 A. If the data given in statement A alone are sufficient to answer the question whereas the data given in statement B alone are not sufficient to answer the question B. If the data given in statement B alone are sufficient to answer the question whereas the data given in statement A alone are not sufficient to answer the question C. If the data in either statement A alone or in statement B alone are sufficient B alone are sufficient to answer the question D. If the data in both the statements A and B are not sufficient to answer the question.

22. What is the two-digit number?
A. The difference between the two-digit number and the number formed by interchanging the digits is 54.
B. The digit at unit's place is less than that at ten's place by 6.

 A. If the data given in statement A alone are sufficient to answer the question whereas the data given in statement B alone are not sufficient to answer the question B. If the data given in statement B alone are sufficient to answer the question whereas the data given in statement A alone are not sufficient to answer the question C. If the data in either statement A alone or in statement B alone are sufficient B alone are sufficient to answer the question D. If the data in both the statements A and B are not sufficient to answer the question.

23. What is the two-digit number whose first digit is a and the second digit is b?
A. The number is a multiple of 23.
B. The sum of the digits a and b is 11.

 A. If the data given by both the statement A and B are necessary to answer the question. B. If the data in both the statements A and B are not sufficient to answer the question. C. If the data in either statement A alone or in statement B alone are sufficient B alone are sufficient to answer the question D. If the data given in statement B alone are sufficient to answer the question whereas the data given in statement A alone are not sufficient to answer the question

24. What is the sum of the digits of the two-digit number?
A. The ratio between the ten's digit and unit's digit of the number is 2:1.
B. The product of the digits is 32.

 A. If the data given in statement A alone are sufficient to answer the question whereas the data given in statement B alone are not sufficient to answer the question B. If the data given in statement B alone are sufficient to answer the question whereas the data given in statement A alone are not sufficient to answer the question C. If the data given by both the statement A and B are necessary to answer the question. D. If the data given by both the statement A and B are necessary to answer the question.

25. What is the number?
A. The sum of the two digits is 12. The ratio of the two digits is 3 : 1.
B. The product of two digits of a number is 27. The quotient of two digits is 3.

 A. If the data given in statement A alone are sufficient to answer the question whereas the data given in statement B alone are not sufficient to answer the question B. If the data given in statement B alone are sufficient to answer the question whereas the data given in statement A alone are not sufficient to answer the question C. If the data in either statement A alone or in statement B alone are sufficient B alone are sufficient to answer the question D. If the data in both the statements A and B are not sufficient to answer the question.

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