QuestionA shop sells two variants of chocolates - one that costs $3 and the other that costs $5. If the shop sold $108 chocolates on a given day, how many different combinations of (number of $3 sold, number of $5 sold) exist?A. 6B. 7C. 15D. 8E. 12Correct Answer : Choice D. 8Explanatory AnswerLet … [Read more...]

## Number Properties : LCM, HCF

This question is a relatively easy question on LCM and HCF of two numbers. QuestionIf the product of two positive integers is 144, which of the following could be the LCM and HCF of the two numbers?I. LCM : 24; HCF : 6II. LCM : 18; HCF : 8 III. LCM : 16; HCF : 9A. I onlyB. II and III only C. I … [Read more...]

## Permutation Combination : Selecting from non distinct object

Here is a question on selecting one or more objects from a set of object, all of which are not distinct.QuestionThere are 4 identical pens and 7 identical books. In how many ways can a person select at least one object from this set?a. 12b. (24 - )(27 -1)c. 11d. 211 - 1e. 39Correct Answer : Choice … [Read more...]

## Counting Methods : GMAT Problem Solving

QuestionHow many odd 4 digit positive integers that are multiples of 5 can be formed without using the digit 3?a. 900b. 729c. 3240d. 648e. 1296Correct Answer : Choice D. 648Explanatory AnswerFollowing conditions are stated1. The number is a 4 - digit number.2. It is an odd number.3. It is a multiple … [Read more...]

## GMAT Data Sufficiency Practice : Inequalities & Number Properties

QuestionIs a + b > 0?1. a - b > 02. |a| < |b|Correct Answer is Choice C. Both statements together are sufficient to answer the question.Explanatory AnswerAn "IS" question is answered when you can provide a definite YES or a definite NO as an answer to the question using the data.We need to … [Read more...]

## GMAT PS : Percents, Ratio

QuestionOf the new vehicles registered in a week, 300 were neither SUVs nor were they powered by diesel. 3/4th of the SUVs registered were diesel powered and there were half as many SUVs as there were non SUVs. If SUVs not powered by diesel were a sixth of non SUVs not powered by diesel, how many … [Read more...]

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