If Chitra majors in Finance, which subject does Bandita major in?

Who are the students from the institute Z?

Which subject does Deb minor in?

Which subject does Amit major in?

Which of the following MUST be true?

What best can be said about the number of pumps at which the contamination levels were recorded as medium?

If the contamination level at P11 was recorded as low, then which of the following MUST be true?

If contamination level at P15 was recorded as medium, then which of the following MUST be FALSE?

What is the maximum number of customers that the ATM can serve with a stock of fifty 500 rupee notes and a sufficient number of notes of other denominations, if all the customers are to be served with at most 20 notes per withdrawal?

What is the number of 500 rupee notes required to serve 50 customers with 500 rupee notes as their preferences and another 50 customers with 100 rupee notes as their preferences, if the total number of notes to be dispensed is the smallest possible?

In how many different ways can the ATM serve a customer who gives 500 rupee notes as her preference? (TITA)

If the ATM could serve only 10 customers with a stock of fifty 500 rupee notes and a sufficient number of notes of other denominations, what is the maximum number of customers among these 10 who could have given 500 rupee notes as their preferences? (TITA)

During which quarter was the percentage decrease in sales from the previous quarter’s sales the highest?

During which month was the percentage increase in sales from the previous month’s sales the highest?

What is the percentage increase in sales in December 2017 as compared to the sales in December 2016?

In which quarter of 2017 was the percentage increase in sales from the same quarter of 2016 the highest?

Suppose you are allowed to make one mistake, that is, one pair of adjacent cells can have the same numeral. What is the minimum number of different numerals required to fill a 5×5 matrix?

Suppose that all the cells adjacent to any particular cell must have different numerals. What is the minimum number of different numerals needed to fill a 5×5 square matrix?

What is the minimum number of different numerals needed to fill a 3×3 square matrix? (TITA)

What is the minimum number of different numerals needed to fill a 5×5 square matrix? (TITA)

What is the minimum possible number of satellites serving B exclusively?

If at least 100 of the 1600 satellites were serving O, what can be said about the number of satellites serving S?

If the number of satellites serving at least two among B, C, and S is 1200, which of the following MUST be FALSE?

What best can be said about the number of satellites serving C?

John gets Rs 57 per hour of regular work and Rs 114 per hour of overtime work. He works altogether 172 hours and his income from overtime hours is 15% of his income from regular hours. Then, for how many hours did he work overtime? 

A shopkeeper sells two tables, each procured at cost price p, to Amal and Asim at a profit of 20% and at a loss of 20%, respectively. Amal sells his table to Bimal at a profit of 30%, while Asim sells his table to Barun at a loss of 30%. If the amounts paid by Bimal and Barun are x and y, respectively, then (x - y) / p equals

Amal invests Rs 12000 at 8% interest, compounded annually, and Rs 10000 at 6% interest, compounded semi-annually, both investments being for one year. Bimal invests his money at 7.5% simple interest for one year. If Amal and Bimal get the same amount of interest, then the amount, in Rupees, invested by Bimal is

If 5^x - 3^y = 13438 and 5^x-1 + 3^y+1 = 9686 , then x+y equals

The strength of a salt solution is p% if 100 ml of the solution contains p grams of salt. Each of three vessels A, B, C contains 500 ml of salt solution of strengths 10%, 22%, and 32%, respectively. Now, 100 ml of the solution in vessel A is transferred to vessel B. Then, 100 ml of the solution in vessel B is transferred to vessel C. Finally, 100 ml of the solution in vessel C is transferred to vessel A. The strength, in percentage, of the resulting solution in vessel A is

If (2n+1) + (2n+3) + (2n+5) + . + (2n+47) = 5280 , then what is the value of 1+2+3+ . +n ? 

If all the candidates scored different marks in WE then what is the maximum marks that Harini could have scored in WE? (TITA)

Which of the following statements MUST be true?

1.Jatin's composite score was more than that of Danish.
2. Indu scored less than Chetna in DI.
3. Jatin scored more than Indu in GA.

Which of the following statements MUST be FALSE?

If all the candidates except Ajay and Danish had different marks in DI, and Bala's composite score was less than Chetna's composite score, then what is the maximum marks that Bala could have scored in DI? (TITA)

The number of common terms in the two sequences: 15, 19, 23, 27, , 415 and 14, 19, 24, 29, , 464 is

Mukesh purchased 10 bicycles in 2017, all at the same price. He sold six of these at a profit of 25% and the remaining four at a loss of 25%. If he made a total profit of Rs. 2000, then his purchase price of a bicycle, in Rupees, was

In a six-digit number, the sixth, that is, the rightmost, digit is the sum of the first three digits, the fifth digit is the sum of first two digits, the third digit is equal to the first digit, the second digit is twice the first digit and the fourth digit is the sum of fifth and sixth digits. Then, the largest possible value of the fourth digit is

The quadratic equation x² + bx + c = 0 has two roots 4a and 3a, where a is an integer. Which of the following is a possible value of b² + c?

A man makes complete use of 405 cc of iron, 783 cc of aluminium, and 351 cc of copper to make a number of solid right circular cylinders of each type of metal. These cylinders have the same volume and each of these has radius 3 cm. If the total number of cylinders is to be kept at a minimum, then the total surface area of all these cylinders, in sq cm, is

The salaries of Ramesh, Ganesh and Rajesh were in the ratio 6:5:7 in 2010, and in the ratio 3:4:3 in 2015. If Ramesh's salary increased by 25% during 2010-2015, then the percentage increase in Rajesh's salary during this period is closest to

How many pairs (m,n) of positive integers satisfy the equation the equation m² + 105 = n²? 

Two ants A and B start from a point P on a circle at the same time, with A moving clock-wise and B moving anti-clockwise. They meet for the first time at 10:00 am when A has covered 60% of the track. If A returns to P at 10:12 am, then B returns to P at

Let ABC be a right-angled triangle with hypotenuse BC of length 20 cm. If AP is perpendicular on BC, then the maximum possible length of AP, in cm, is