

Directions: Read the rules listed below.
Is abcd , four digit positive number , a perfect square?
Explanation: Though ,it is correct that all the perfect square no.s which have four at the unit’s place ,would always have even number at the ten’s place, but the vice-versa is not true.
Directions: Read the rules listed below.
If abc is a three digit perfect square with three distinct digits a, b and c. Find the values of a, b and c respectively.
Explanation: The only three digit no. that will satisfy the conditions are 196, 169 and 961.
Directions: Read the rules listed below.
A number of the format x9999y and it is divisble by 99999. What is the value of x?
Explanation: The rule is that any no. of the format x9999y is multiple of 99999 , if x + y +9, so it can be answered with option (a). Option(b) is a fact.
Directions: Read the rules listed below.
What was Mr Sameer’s salary for the month of August ?( 6 working days in a week)
Explanation: You don’t know how many Sundays are there is that month.So , you won’t be able to calculate the salary for the month.
Directions: Each question is followed by two statements. You have to decide whether the information provided the statements is sufficient for answering the question.
How many students from the top 20 rankers in the institute are Commerce graduates if it is known that none of the top five rankers are Commerce graduates?
Explanation: Form statement II alone we can get the answer. If there are at least eight commerce graduates in the to 15 they must be in the ranks 6 to 15 only (because the top 5 are not commerce graduates). When we consider the last 15 of the to 20, since this will be from 6 to 20 all the eight or more commerce graduates in the ranks 6 to 15 should also be counted here. That means, at least 8 commerce graduates must be there from 6 to 20. But statement II itself says that there are not more than 8 commerce graduates from ranks 6 to 20. This means, there are exactly eight commerce graduate from 6 to 20 or in other words, there are 8 commerce graduates in the to twenty rankers.